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Finding the Third Proportional to 10,621.13 and 16,437.94

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Solution

The third proportional to 10,621.13 and 16,437.94 is: 25,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.13 : 16,437.94 = 16,437.94 : x
  2. Step 2: Convert to fraction form
    10,621.13/16,437.94 = 16,437.94/x
  3. Step 3: Cross multiply
    10,621.13x = 16,437.94 × 16,437.94
  4. Step 4: Simplify right side
    10,621.13x = 270,205,789.25
  5. Step 5: Solve for x
    x = 270,205,789.25/10,621.13
  6. Step 6: Final answer
    x = 25,440.41

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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.