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Finding the Third Proportional to 18,192 and 29,209

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Solution

The third proportional to 18,192 and 29,209 is: 46,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192 : 29,209 = 29,209 : x
  2. Step 2: Convert to fraction form
    18,192/29,209 = 29,209/x
  3. Step 3: Cross multiply
    18,192x = 29,209 × 29,209
  4. Step 4: Simplify right side
    18,192x = 853,165,681
  5. Step 5: Solve for x
    x = 853,165,681/18,192
  6. Step 6: Final answer
    x = 46,897.85

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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.