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Finding the Third Proportional to 109,542 and 176,361

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Solution

The third proportional to 109,542 and 176,361 is: 283,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,542 : 176,361 = 176,361 : x
  2. Step 2: Convert to fraction form
    109,542/176,361 = 176,361/x
  3. Step 3: Cross multiply
    109,542x = 176,361 × 176,361
  4. Step 4: Simplify right side
    109,542x = 31,103,202,321
  5. Step 5: Solve for x
    x = 31,103,202,321/109,542
  6. Step 6: Final answer
    x = 283,938.60

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.