Home / 45,221-66,478

Finding the Third Proportional to 45,221 and 66,478

Calculator

Solution

The third proportional to 45,221 and 66,478 is: 97,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,221 : 66,478 = 66,478 : x
  2. Step 2: Convert to fraction form
    45,221/66,478 = 66,478/x
  3. Step 3: Cross multiply
    45,221x = 66,478 × 66,478
  4. Step 4: Simplify right side
    45,221x = 4,419,324,484
  5. Step 5: Solve for x
    x = 4,419,324,484/45,221
  6. Step 6: Final answer
    x = 97,727.26

Related Problems

Find third proportional to 22,610.50 and 33,239
Half scale
Find third proportional to 90,442 and 132,956
Double scale
Find third proportional to 45,223 and 66,481
Similar ratio
Find third proportional to 67,831.50 and 99,717
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.