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Finding the Third Proportional to 48,327 and 76,689

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Solution

The third proportional to 48,327 and 76,689 is: 121,696.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,327 : 76,689 = 76,689 : x
  2. Step 2: Convert to fraction form
    48,327/76,689 = 76,689/x
  3. Step 3: Cross multiply
    48,327x = 76,689 × 76,689
  4. Step 4: Simplify right side
    48,327x = 5,881,202,721
  5. Step 5: Solve for x
    x = 5,881,202,721/48,327
  6. Step 6: Final answer
    x = 121,696.00

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.