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Finding the Third Proportional to 18,604.69 and 40,125.38

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Solution

The third proportional to 18,604.69 and 40,125.38 is: 86,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.69 : 40,125.38 = 40,125.38 : x
  2. Step 2: Convert to fraction form
    18,604.69/40,125.38 = 40,125.38/x
  3. Step 3: Cross multiply
    18,604.69x = 40,125.38 × 40,125.38
  4. Step 4: Simplify right side
    18,604.69x = 1,610,045,718.89
  5. Step 5: Solve for x
    x = 1,610,045,718.89/18,604.69
  6. Step 6: Final answer
    x = 86,539.79

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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.