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Finding the Third Proportional to 20,072.81 and 29,818.13

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Solution

The third proportional to 20,072.81 and 29,818.13 is: 44,294.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072.81 : 29,818.13 = 29,818.13 : x
  2. Step 2: Convert to fraction form
    20,072.81/29,818.13 = 29,818.13/x
  3. Step 3: Cross multiply
    20,072.81x = 29,818.13 × 29,818.13
  4. Step 4: Simplify right side
    20,072.81x = 889,120,578.52
  5. Step 5: Solve for x
    x = 889,120,578.52/20,072.81
  6. Step 6: Final answer
    x = 44,294.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.