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Finding the Third Proportional to 342,871.13 and 543,369.88

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Solution

The third proportional to 342,871.13 and 543,369.88 is: 861,113.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,871.13 : 543,369.88 = 543,369.88 : x
  2. Step 2: Convert to fraction form
    342,871.13/543,369.88 = 543,369.88/x
  3. Step 3: Cross multiply
    342,871.13x = 543,369.88 × 543,369.88
  4. Step 4: Simplify right side
    342,871.13x = 295,250,821,057.52
  5. Step 5: Solve for x
    x = 295,250,821,057.52/342,871.13
  6. Step 6: Final answer
    x = 861,113.11

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.