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Finding the Third Proportional to 12,331.13 and 19,072.13

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Solution

The third proportional to 12,331.13 and 19,072.13 is: 29,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.13 : 19,072.13 = 19,072.13 : x
  2. Step 2: Convert to fraction form
    12,331.13/19,072.13 = 19,072.13/x
  3. Step 3: Cross multiply
    12,331.13x = 19,072.13 × 19,072.13
  4. Step 4: Simplify right side
    12,331.13x = 363,745,952.02
  5. Step 5: Solve for x
    x = 363,745,952.02/12,331.13
  6. Step 6: Final answer
    x = 29,498.20

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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.