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Finding the Third Proportional to 25,342 and 39,009

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Solution

The third proportional to 25,342 and 39,009 is: 60,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,342 : 39,009 = 39,009 : x
  2. Step 2: Convert to fraction form
    25,342/39,009 = 39,009/x
  3. Step 3: Cross multiply
    25,342x = 39,009 × 39,009
  4. Step 4: Simplify right side
    25,342x = 1,521,702,081
  5. Step 5: Solve for x
    x = 1,521,702,081/25,342
  6. Step 6: Final answer
    x = 60,046.65

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.