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Finding the Third Proportional to 9,642.38 and 14,671.13

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Solution

The third proportional to 9,642.38 and 14,671.13 is: 22,322.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642.38 : 14,671.13 = 14,671.13 : x
  2. Step 2: Convert to fraction form
    9,642.38/14,671.13 = 14,671.13/x
  3. Step 3: Cross multiply
    9,642.38x = 14,671.13 × 14,671.13
  4. Step 4: Simplify right side
    9,642.38x = 215,241,908.77
  5. Step 5: Solve for x
    x = 215,241,908.77/9,642.38
  6. Step 6: Final answer
    x = 22,322.50

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.