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Finding the Third Proportional to 12,579 and 27,342

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Solution

The third proportional to 12,579 and 27,342 is: 59,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579 : 27,342 = 27,342 : x
  2. Step 2: Convert to fraction form
    12,579/27,342 = 27,342/x
  3. Step 3: Cross multiply
    12,579x = 27,342 × 27,342
  4. Step 4: Simplify right side
    12,579x = 747,584,964
  5. Step 5: Solve for x
    x = 747,584,964/12,579
  6. Step 6: Final answer
    x = 59,431.19

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.