Home / 57,782-86,433

Finding the Third Proportional to 57,782 and 86,433

Calculator

Solution

The third proportional to 57,782 and 86,433 is: 129,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,782 : 86,433 = 86,433 : x
  2. Step 2: Convert to fraction form
    57,782/86,433 = 86,433/x
  3. Step 3: Cross multiply
    57,782x = 86,433 × 86,433
  4. Step 4: Simplify right side
    57,782x = 7,470,663,489
  5. Step 5: Solve for x
    x = 7,470,663,489/57,782
  6. Step 6: Final answer
    x = 129,290.50

Related Problems

Find third proportional to 28,891 and 43,216.50
Half scale
Find third proportional to 115,564 and 172,866
Double scale
Find third proportional to 57,784 and 86,436
Similar ratio
Find third proportional to 86,673 and 129,649.50
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.