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Finding the Third Proportional to 175,590 and 271,617

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Solution

The third proportional to 175,590 and 271,617 is: 420,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,590 : 271,617 = 271,617 : x
  2. Step 2: Convert to fraction form
    175,590/271,617 = 271,617/x
  3. Step 3: Cross multiply
    175,590x = 271,617 × 271,617
  4. Step 4: Simplify right side
    175,590x = 73,775,794,689
  5. Step 5: Solve for x
    x = 73,775,794,689/175,590
  6. Step 6: Final answer
    x = 420,159.43

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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.