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Finding the Third Proportional to 12,438 and 26,592

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Solution

The third proportional to 12,438 and 26,592 is: 56,852.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,438 : 26,592 = 26,592 : x
  2. Step 2: Convert to fraction form
    12,438/26,592 = 26,592/x
  3. Step 3: Cross multiply
    12,438x = 26,592 × 26,592
  4. Step 4: Simplify right side
    12,438x = 707,134,464
  5. Step 5: Solve for x
    x = 707,134,464/12,438
  6. Step 6: Final answer
    x = 56,852.75

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.