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Finding the Third Proportional to 77,463 and 169,141

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Solution

The third proportional to 77,463 and 169,141 is: 369,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,463 : 169,141 = 169,141 : x
  2. Step 2: Convert to fraction form
    77,463/169,141 = 169,141/x
  3. Step 3: Cross multiply
    77,463x = 169,141 × 169,141
  4. Step 4: Simplify right side
    77,463x = 28,608,677,881
  5. Step 5: Solve for x
    x = 28,608,677,881/77,463
  6. Step 6: Final answer
    x = 369,320.55

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.