Home / 57,720-86,582

Finding the Third Proportional to 57,720 and 86,582

Calculator

Solution

The third proportional to 57,720 and 86,582 is: 129,876.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,720 : 86,582 = 86,582 : x
  2. Step 2: Convert to fraction form
    57,720/86,582 = 86,582/x
  3. Step 3: Cross multiply
    57,720x = 86,582 × 86,582
  4. Step 4: Simplify right side
    57,720x = 7,496,442,724
  5. Step 5: Solve for x
    x = 7,496,442,724/57,720
  6. Step 6: Final answer
    x = 129,876.00

Related Problems

Find third proportional to 28,860 and 43,291
Half scale
Find third proportional to 115,440 and 173,164
Double scale
Find third proportional to 57,722 and 86,585
Similar ratio
Find third proportional to 86,580 and 129,873
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.