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Finding the Third Proportional to 561,244.50 and 855,876

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Solution

The third proportional to 561,244.50 and 855,876 is: 1,305,177.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,244.50 : 855,876 = 855,876 : x
  2. Step 2: Convert to fraction form
    561,244.50/855,876 = 855,876/x
  3. Step 3: Cross multiply
    561,244.50x = 855,876 × 855,876
  4. Step 4: Simplify right side
    561,244.50x = 732,523,727,376
  5. Step 5: Solve for x
    x = 732,523,727,376/561,244.50
  6. Step 6: Final answer
    x = 1,305,177.56

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.