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Finding the Third Proportional to 39,872 and 62,556

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Solution

The third proportional to 39,872 and 62,556 is: 98,145.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,872 : 62,556 = 62,556 : x
  2. Step 2: Convert to fraction form
    39,872/62,556 = 62,556/x
  3. Step 3: Cross multiply
    39,872x = 62,556 × 62,556
  4. Step 4: Simplify right side
    39,872x = 3,913,253,136
  5. Step 5: Solve for x
    x = 3,913,253,136/39,872
  6. Step 6: Final answer
    x = 98,145.39

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.