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Finding the Third Proportional to 18,579.38 and 26,613.56

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Solution

The third proportional to 18,579.38 and 26,613.56 is: 38,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.38 : 26,613.56 = 26,613.56 : x
  2. Step 2: Convert to fraction form
    18,579.38/26,613.56 = 26,613.56/x
  3. Step 3: Cross multiply
    18,579.38x = 26,613.56 × 26,613.56
  4. Step 4: Simplify right side
    18,579.38x = 708,281,708.94
  5. Step 5: Solve for x
    x = 708,281,708.94/18,579.38
  6. Step 6: Final answer
    x = 38,121.93

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.