Home / 66,617,221-148,551,840.50

Finding the Third Proportional to 66,617,221 and 148,551,840.50

Calculator

Solution

The third proportional to 66,617,221 and 148,551,840.50 is: 331,260,430.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,617,221 : 148,551,840.50 = 148,551,840.50 : x
  2. Step 2: Convert to fraction form
    66,617,221/148,551,840.50 = 148,551,840.50/x
  3. Step 3: Cross multiply
    66,617,221x = 148,551,840.50 × 148,551,840.50
  4. Step 4: Simplify right side
    66,617,221x = 22,067,649,315,937,440
  5. Step 5: Solve for x
    x = 22,067,649,315,937,440/66,617,221
  6. Step 6: Final answer
    x = 331,260,430.63

Related Problems

Find third proportional to 33,308,610.50 and 74,275,920.25
Half scale
Find third proportional to 133,234,442 and 297,103,681
Double scale
Find third proportional to 66,617,223 and 148,551,845
Similar ratio
Find third proportional to 99,925,831.50 and 222,827,760.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.