Home / 57,400-76,982

Finding the Third Proportional to 57,400 and 76,982

Calculator

Solution

The third proportional to 57,400 and 76,982 is: 103,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,400 : 76,982 = 76,982 : x
  2. Step 2: Convert to fraction form
    57,400/76,982 = 76,982/x
  3. Step 3: Cross multiply
    57,400x = 76,982 × 76,982
  4. Step 4: Simplify right side
    57,400x = 5,926,228,324
  5. Step 5: Solve for x
    x = 5,926,228,324/57,400
  6. Step 6: Final answer
    x = 103,244.40

Related Problems

Find third proportional to 28,700 and 38,491
Half scale
Find third proportional to 114,800 and 153,964
Double scale
Find third proportional to 57,402 and 76,985
Similar ratio
Find third proportional to 86,100 and 115,473
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.