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Finding the Third Proportional to 14,937.75 and 21,124.13

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Solution

The third proportional to 14,937.75 and 21,124.13 is: 29,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.75 : 21,124.13 = 21,124.13 : x
  2. Step 2: Convert to fraction form
    14,937.75/21,124.13 = 21,124.13/x
  3. Step 3: Cross multiply
    14,937.75x = 21,124.13 × 21,124.13
  4. Step 4: Simplify right side
    14,937.75x = 446,228,657.02
  5. Step 5: Solve for x
    x = 446,228,657.02/14,937.75
  6. Step 6: Final answer
    x = 29,872.55

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.