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Finding the Third Proportional to 14,766.75 and 21,663

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Solution

The third proportional to 14,766.75 and 21,663 is: 31,779.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,766.75 : 21,663 = 21,663 : x
  2. Step 2: Convert to fraction form
    14,766.75/21,663 = 21,663/x
  3. Step 3: Cross multiply
    14,766.75x = 21,663 × 21,663
  4. Step 4: Simplify right side
    14,766.75x = 469,285,569
  5. Step 5: Solve for x
    x = 469,285,569/14,766.75
  6. Step 6: Final answer
    x = 31,779.88

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.