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Finding the Third Proportional to 175,154 and 271,762

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Solution

The third proportional to 175,154 and 271,762 is: 421,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,154 : 271,762 = 271,762 : x
  2. Step 2: Convert to fraction form
    175,154/271,762 = 271,762/x
  3. Step 3: Cross multiply
    175,154x = 271,762 × 271,762
  4. Step 4: Simplify right side
    175,154x = 73,854,584,644
  5. Step 5: Solve for x
    x = 73,854,584,644/175,154
  6. Step 6: Final answer
    x = 421,655.14

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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.