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Finding the Third Proportional to 71,341 and 106,789

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Solution

The third proportional to 71,341 and 106,789 is: 159,850.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,341 : 106,789 = 106,789 : x
  2. Step 2: Convert to fraction form
    71,341/106,789 = 106,789/x
  3. Step 3: Cross multiply
    71,341x = 106,789 × 106,789
  4. Step 4: Simplify right side
    71,341x = 11,403,890,521
  5. Step 5: Solve for x
    x = 11,403,890,521/71,341
  6. Step 6: Final answer
    x = 159,850.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.