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Finding the Third Proportional to 18,613.13 and 25,295.63

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Solution

The third proportional to 18,613.13 and 25,295.63 is: 34,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.13 : 25,295.63 = 25,295.63 : x
  2. Step 2: Convert to fraction form
    18,613.13/25,295.63 = 25,295.63/x
  3. Step 3: Cross multiply
    18,613.13x = 25,295.63 × 25,295.63
  4. Step 4: Simplify right side
    18,613.13x = 639,868,644.14
  5. Step 5: Solve for x
    x = 639,868,644.14/18,613.13
  6. Step 6: Final answer
    x = 34,377.28

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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.