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Finding the Third Proportional to 175,281 and 381,270

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Solution

The third proportional to 175,281 and 381,270 is: 829,335.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,281 : 381,270 = 381,270 : x
  2. Step 2: Convert to fraction form
    175,281/381,270 = 381,270/x
  3. Step 3: Cross multiply
    175,281x = 381,270 × 381,270
  4. Step 4: Simplify right side
    175,281x = 145,366,812,900
  5. Step 5: Solve for x
    x = 145,366,812,900/175,281
  6. Step 6: Final answer
    x = 829,335.83

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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.