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Finding the Third Proportional to 27,092 and 39,900

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Solution

The third proportional to 27,092 and 39,900 is: 58,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,092 : 39,900 = 39,900 : x
  2. Step 2: Convert to fraction form
    27,092/39,900 = 39,900/x
  3. Step 3: Cross multiply
    27,092x = 39,900 × 39,900
  4. Step 4: Simplify right side
    27,092x = 1,592,010,000
  5. Step 5: Solve for x
    x = 1,592,010,000/27,092
  6. Step 6: Final answer
    x = 58,763.10

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.