Home / 59,631-129,918

Finding the Third Proportional to 59,631 and 129,918

Calculator

Solution

The third proportional to 59,631 and 129,918 is: 283,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,631 : 129,918 = 129,918 : x
  2. Step 2: Convert to fraction form
    59,631/129,918 = 129,918/x
  3. Step 3: Cross multiply
    59,631x = 129,918 × 129,918
  4. Step 4: Simplify right side
    59,631x = 16,878,686,724
  5. Step 5: Solve for x
    x = 16,878,686,724/59,631
  6. Step 6: Final answer
    x = 283,052.22

Related Problems

Find third proportional to 29,815.50 and 64,959
Half scale
Find third proportional to 119,262 and 259,836
Double scale
Find third proportional to 59,633 and 129,922
Similar ratio
Find third proportional to 89,446.50 and 194,877
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.