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Finding the Third Proportional to 15,744 and 25,368

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Solution

The third proportional to 15,744 and 25,368 is: 40,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,744 : 25,368 = 25,368 : x
  2. Step 2: Convert to fraction form
    15,744/25,368 = 25,368/x
  3. Step 3: Cross multiply
    15,744x = 25,368 × 25,368
  4. Step 4: Simplify right side
    15,744x = 643,535,424
  5. Step 5: Solve for x
    x = 643,535,424/15,744
  6. Step 6: Final answer
    x = 40,874.96

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.