Home / 57,239-87,560

Finding the Third Proportional to 57,239 and 87,560

Calculator

Solution

The third proportional to 57,239 and 87,560 is: 133,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,239 : 87,560 = 87,560 : x
  2. Step 2: Convert to fraction form
    57,239/87,560 = 87,560/x
  3. Step 3: Cross multiply
    57,239x = 87,560 × 87,560
  4. Step 4: Simplify right side
    57,239x = 7,666,753,600
  5. Step 5: Solve for x
    x = 7,666,753,600/57,239
  6. Step 6: Final answer
    x = 133,942.83

Related Problems

Find third proportional to 28,619.50 and 43,780
Half scale
Find third proportional to 114,478 and 175,120
Double scale
Find third proportional to 57,241 and 87,563
Similar ratio
Find third proportional to 85,858.50 and 131,340
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.