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Finding the Third Proportional to 8,712 and 14,540

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Solution

The third proportional to 8,712 and 14,540 is: 24,266.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712 : 14,540 = 14,540 : x
  2. Step 2: Convert to fraction form
    8,712/14,540 = 14,540/x
  3. Step 3: Cross multiply
    8,712x = 14,540 × 14,540
  4. Step 4: Simplify right side
    8,712x = 211,411,600
  5. Step 5: Solve for x
    x = 211,411,600/8,712
  6. Step 6: Final answer
    x = 24,266.71

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.