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Finding the Third Proportional to 10,671.89 and 16,489.13

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Solution

The third proportional to 10,671.89 and 16,489.13 is: 25,477.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.89 : 16,489.13 = 16,489.13 : x
  2. Step 2: Convert to fraction form
    10,671.89/16,489.13 = 16,489.13/x
  3. Step 3: Cross multiply
    10,671.89x = 16,489.13 × 16,489.13
  4. Step 4: Simplify right side
    10,671.89x = 271,891,243.27
  5. Step 5: Solve for x
    x = 271,891,243.27/10,671.89
  6. Step 6: Final answer
    x = 25,477.33

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.