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Finding the Third Proportional to 18,877.11 and 25,545.85

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Solution

The third proportional to 18,877.11 and 25,545.85 is: 34,570.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,877.11 : 25,545.85 = 25,545.85 : x
  2. Step 2: Convert to fraction form
    18,877.11/25,545.85 = 25,545.85/x
  3. Step 3: Cross multiply
    18,877.11x = 25,545.85 × 25,545.85
  4. Step 4: Simplify right side
    18,877.11x = 652,590,432.26
  5. Step 5: Solve for x
    x = 652,590,432.26/18,877.11
  6. Step 6: Final answer
    x = 34,570.46

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.