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Finding the Third Proportional to 9,838.13 and 14,780.81

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Solution

The third proportional to 9,838.13 and 14,780.81 is: 22,206.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,838.13 : 14,780.81 = 14,780.81 : x
  2. Step 2: Convert to fraction form
    9,838.13/14,780.81 = 14,780.81/x
  3. Step 3: Cross multiply
    9,838.13x = 14,780.81 × 14,780.81
  4. Step 4: Simplify right side
    9,838.13x = 218,472,418.16
  5. Step 5: Solve for x
    x = 218,472,418.16/9,838.13
  6. Step 6: Final answer
    x = 22,206.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.