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Finding the Third Proportional to 18,757.88 and 28,613.13

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Solution

The third proportional to 18,757.88 and 28,613.13 is: 43,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757.88 : 28,613.13 = 28,613.13 : x
  2. Step 2: Convert to fraction form
    18,757.88/28,613.13 = 28,613.13/x
  3. Step 3: Cross multiply
    18,757.88x = 28,613.13 × 28,613.13
  4. Step 4: Simplify right side
    18,757.88x = 818,710,922.27
  5. Step 5: Solve for x
    x = 818,710,922.27/18,757.88
  6. Step 6: Final answer
    x = 43,646.25

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.