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Finding the Third Proportional to 12,138 and 26,472

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Solution

The third proportional to 12,138 and 26,472 is: 57,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,138 : 26,472 = 26,472 : x
  2. Step 2: Convert to fraction form
    12,138/26,472 = 26,472/x
  3. Step 3: Cross multiply
    12,138x = 26,472 × 26,472
  4. Step 4: Simplify right side
    12,138x = 700,766,784
  5. Step 5: Solve for x
    x = 700,766,784/12,138
  6. Step 6: Final answer
    x = 57,733.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.