Home / 74,585-115,221

Finding the Third Proportional to 74,585 and 115,221

Calculator

Solution

The third proportional to 74,585 and 115,221 is: 177,996.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,585 : 115,221 = 115,221 : x
  2. Step 2: Convert to fraction form
    74,585/115,221 = 115,221/x
  3. Step 3: Cross multiply
    74,585x = 115,221 × 115,221
  4. Step 4: Simplify right side
    74,585x = 13,275,878,841
  5. Step 5: Solve for x
    x = 13,275,878,841/74,585
  6. Step 6: Final answer
    x = 177,996.63

Related Problems

Find third proportional to 37,292.50 and 57,610.50
Half scale
Find third proportional to 149,170 and 230,442
Double scale
Find third proportional to 74,587 and 115,224
Similar ratio
Find third proportional to 111,877.50 and 172,831.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.