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Finding the Third Proportional to 18,835.88 and 25,581.66

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Solution

The third proportional to 18,835.88 and 25,581.66 is: 34,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.88 : 25,581.66 = 25,581.66 : x
  2. Step 2: Convert to fraction form
    18,835.88/25,581.66 = 25,581.66/x
  3. Step 3: Cross multiply
    18,835.88x = 25,581.66 × 25,581.66
  4. Step 4: Simplify right side
    18,835.88x = 654,421,136.49
  5. Step 5: Solve for x
    x = 654,421,136.49/18,835.88
  6. Step 6: Final answer
    x = 34,743.34

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.