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Finding the Third Proportional to 20,740.92 and 45,249.19

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Solution

The third proportional to 20,740.92 and 45,249.19 is: 98,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740.92 : 45,249.19 = 45,249.19 : x
  2. Step 2: Convert to fraction form
    20,740.92/45,249.19 = 45,249.19/x
  3. Step 3: Cross multiply
    20,740.92x = 45,249.19 × 45,249.19
  4. Step 4: Simplify right side
    20,740.92x = 2,047,488,969.41
  5. Step 5: Solve for x
    x = 2,047,488,969.41/20,740.92
  6. Step 6: Final answer
    x = 98,717.36

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.