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Finding the Third Proportional to 18,748.13 and 40,412.25

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Solution

The third proportional to 18,748.13 and 40,412.25 is: 87,110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.13 : 40,412.25 = 40,412.25 : x
  2. Step 2: Convert to fraction form
    18,748.13/40,412.25 = 40,412.25/x
  3. Step 3: Cross multiply
    18,748.13x = 40,412.25 × 40,412.25
  4. Step 4: Simplify right side
    18,748.13x = 1,633,149,950.06
  5. Step 5: Solve for x
    x = 1,633,149,950.06/18,748.13
  6. Step 6: Final answer
    x = 87,110.04

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.