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Finding the Third Proportional to 25,902 and 39,609

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Solution

The third proportional to 25,902 and 39,609 is: 60,569.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,902 : 39,609 = 39,609 : x
  2. Step 2: Convert to fraction form
    25,902/39,609 = 39,609/x
  3. Step 3: Cross multiply
    25,902x = 39,609 × 39,609
  4. Step 4: Simplify right side
    25,902x = 1,568,872,881
  5. Step 5: Solve for x
    x = 1,568,872,881/25,902
  6. Step 6: Final answer
    x = 60,569.57

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.