Home / 66,809,794-139,728,239.50

Finding the Third Proportional to 66,809,794 and 139,728,239.50

Calculator

Solution

The third proportional to 66,809,794 and 139,728,239.50 is: 292,232,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,809,794 : 139,728,239.50 = 139,728,239.50 : x
  2. Step 2: Convert to fraction form
    66,809,794/139,728,239.50 = 139,728,239.50/x
  3. Step 3: Cross multiply
    66,809,794x = 139,728,239.50 × 139,728,239.50
  4. Step 4: Simplify right side
    66,809,794x = 19,523,980,913,769,360
  5. Step 5: Solve for x
    x = 19,523,980,913,769,360/66,809,794
  6. Step 6: Final answer
    x = 292,232,317.22

Related Problems

Find third proportional to 33,404,897 and 69,864,119.75
Half scale
Find third proportional to 133,619,588 and 279,456,479
Double scale
Find third proportional to 66,809,796 and 139,728,244
Similar ratio
Find third proportional to 100,214,691 and 209,592,359.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.