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Finding the Third Proportional to 175,129 and 277,355

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Solution

The third proportional to 175,129 and 277,355 is: 439,252.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,129 : 277,355 = 277,355 : x
  2. Step 2: Convert to fraction form
    175,129/277,355 = 277,355/x
  3. Step 3: Cross multiply
    175,129x = 277,355 × 277,355
  4. Step 4: Simplify right side
    175,129x = 76,925,796,025
  5. Step 5: Solve for x
    x = 76,925,796,025/175,129
  6. Step 6: Final answer
    x = 439,252.19

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.