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Finding the Third Proportional to 56,700 and 86,265

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Solution

The third proportional to 56,700 and 86,265 is: 131,246.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,700 : 86,265 = 86,265 : x
  2. Step 2: Convert to fraction form
    56,700/86,265 = 86,265/x
  3. Step 3: Cross multiply
    56,700x = 86,265 × 86,265
  4. Step 4: Simplify right side
    56,700x = 7,441,650,225
  5. Step 5: Solve for x
    x = 7,441,650,225/56,700
  6. Step 6: Final answer
    x = 131,246.04

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.