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Finding the Third Proportional to 77,599 and 120,543

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Solution

The third proportional to 77,599 and 120,543 is: 187,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,599 : 120,543 = 120,543 : x
  2. Step 2: Convert to fraction form
    77,599/120,543 = 120,543/x
  3. Step 3: Cross multiply
    77,599x = 120,543 × 120,543
  4. Step 4: Simplify right side
    77,599x = 14,530,614,849
  5. Step 5: Solve for x
    x = 14,530,614,849/77,599
  6. Step 6: Final answer
    x = 187,252.60

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.