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Finding the Third Proportional to 58,687 and 87,805

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Solution

The third proportional to 58,687 and 87,805 is: 131,370.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,687 : 87,805 = 87,805 : x
  2. Step 2: Convert to fraction form
    58,687/87,805 = 87,805/x
  3. Step 3: Cross multiply
    58,687x = 87,805 × 87,805
  4. Step 4: Simplify right side
    58,687x = 7,709,718,025
  5. Step 5: Solve for x
    x = 7,709,718,025/58,687
  6. Step 6: Final answer
    x = 131,370.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.