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Finding the Third Proportional to 176,742 and 267,687

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Solution

The third proportional to 176,742 and 267,687 is: 405,428.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,742 : 267,687 = 267,687 : x
  2. Step 2: Convert to fraction form
    176,742/267,687 = 267,687/x
  3. Step 3: Cross multiply
    176,742x = 267,687 × 267,687
  4. Step 4: Simplify right side
    176,742x = 71,656,329,969
  5. Step 5: Solve for x
    x = 71,656,329,969/176,742
  6. Step 6: Final answer
    x = 405,428.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.