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Finding the Third Proportional to 175,624 and 271,680

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Solution

The third proportional to 175,624 and 271,680 is: 420,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,624 : 271,680 = 271,680 : x
  2. Step 2: Convert to fraction form
    175,624/271,680 = 271,680/x
  3. Step 3: Cross multiply
    175,624x = 271,680 × 271,680
  4. Step 4: Simplify right side
    175,624x = 73,810,022,400
  5. Step 5: Solve for x
    x = 73,810,022,400/175,624
  6. Step 6: Final answer
    x = 420,272.98

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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.