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Finding the Third Proportional to 59,702 and 80,787

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Solution

The third proportional to 59,702 and 80,787 is: 109,318.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,702 : 80,787 = 80,787 : x
  2. Step 2: Convert to fraction form
    59,702/80,787 = 80,787/x
  3. Step 3: Cross multiply
    59,702x = 80,787 × 80,787
  4. Step 4: Simplify right side
    59,702x = 6,526,539,369
  5. Step 5: Solve for x
    x = 6,526,539,369/59,702
  6. Step 6: Final answer
    x = 109,318.61

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.