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Finding the Third Proportional to 20,852.44 and 40,672.13

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Solution

The third proportional to 20,852.44 and 40,672.13 is: 79,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,852.44 : 40,672.13 = 40,672.13 : x
  2. Step 2: Convert to fraction form
    20,852.44/40,672.13 = 40,672.13/x
  3. Step 3: Cross multiply
    20,852.44x = 40,672.13 × 40,672.13
  4. Step 4: Simplify right side
    20,852.44x = 1,654,221,752.02
  5. Step 5: Solve for x
    x = 1,654,221,752.02/20,852.44
  6. Step 6: Final answer
    x = 79,329.90

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.