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Finding the Third Proportional to 12,666 and 14,745

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Solution

The third proportional to 12,666 and 14,745 is: 17,165.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,666 : 14,745 = 14,745 : x
  2. Step 2: Convert to fraction form
    12,666/14,745 = 14,745/x
  3. Step 3: Cross multiply
    12,666x = 14,745 × 14,745
  4. Step 4: Simplify right side
    12,666x = 217,415,025
  5. Step 5: Solve for x
    x = 217,415,025/12,666
  6. Step 6: Final answer
    x = 17,165.25

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.