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Finding the Third Proportional to 12,498 and 26,391

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Solution

The third proportional to 12,498 and 26,391 is: 55,727.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,498 : 26,391 = 26,391 : x
  2. Step 2: Convert to fraction form
    12,498/26,391 = 26,391/x
  3. Step 3: Cross multiply
    12,498x = 26,391 × 26,391
  4. Step 4: Simplify right side
    12,498x = 696,484,881
  5. Step 5: Solve for x
    x = 696,484,881/12,498
  6. Step 6: Final answer
    x = 55,727.71

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.