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Finding the Third Proportional to 79,506.87 and 171,469.40

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Solution

The third proportional to 79,506.87 and 171,469.40 is: 369,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,506.87 : 171,469.40 = 171,469.40 : x
  2. Step 2: Convert to fraction form
    79,506.87/171,469.40 = 171,469.40/x
  3. Step 3: Cross multiply
    79,506.87x = 171,469.40 × 171,469.40
  4. Step 4: Simplify right side
    79,506.87x = 29,401,753,888.86
  5. Step 5: Solve for x
    x = 29,401,753,888.86/79,506.87
  6. Step 6: Final answer
    x = 369,801.41

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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.