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Finding the Third Proportional to 8,235.42 and 13,132.13

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Solution

The third proportional to 8,235.42 and 13,132.13 is: 20,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.42 : 13,132.13 = 13,132.13 : x
  2. Step 2: Convert to fraction form
    8,235.42/13,132.13 = 13,132.13/x
  3. Step 3: Cross multiply
    8,235.42x = 13,132.13 × 13,132.13
  4. Step 4: Simplify right side
    8,235.42x = 172,452,707.02
  5. Step 5: Solve for x
    x = 172,452,707.02/8,235.42
  6. Step 6: Final answer
    x = 20,940.36

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.