Home / 129,552-281,896

Finding the Third Proportional to 129,552 and 281,896

Calculator

Solution

The third proportional to 129,552 and 281,896 is: 613,385.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,552 : 281,896 = 281,896 : x
  2. Step 2: Convert to fraction form
    129,552/281,896 = 281,896/x
  3. Step 3: Cross multiply
    129,552x = 281,896 × 281,896
  4. Step 4: Simplify right side
    129,552x = 79,465,354,816
  5. Step 5: Solve for x
    x = 79,465,354,816/129,552
  6. Step 6: Final answer
    x = 613,385.78

Related Problems

Find third proportional to 64,776 and 140,948
Half scale
Find third proportional to 259,104 and 563,792
Double scale
Find third proportional to 129,554 and 281,900
Similar ratio
Find third proportional to 194,328 and 422,844
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.