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Finding the Third Proportional to 25,684 and 39,424

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Solution

The third proportional to 25,684 and 39,424 is: 60,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,684 : 39,424 = 39,424 : x
  2. Step 2: Convert to fraction form
    25,684/39,424 = 39,424/x
  3. Step 3: Cross multiply
    25,684x = 39,424 × 39,424
  4. Step 4: Simplify right side
    25,684x = 1,554,251,776
  5. Step 5: Solve for x
    x = 1,554,251,776/25,684
  6. Step 6: Final answer
    x = 60,514.40

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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.