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Finding the Third Proportional to 12,541 and 19,842

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Solution

The third proportional to 12,541 and 19,842 is: 31,393.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541 : 19,842 = 19,842 : x
  2. Step 2: Convert to fraction form
    12,541/19,842 = 19,842/x
  3. Step 3: Cross multiply
    12,541x = 19,842 × 19,842
  4. Step 4: Simplify right side
    12,541x = 393,704,964
  5. Step 5: Solve for x
    x = 393,704,964/12,541
  6. Step 6: Final answer
    x = 31,393.43

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.