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Finding the Third Proportional to 578,319.75 and 1,253,161.13

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Solution

The third proportional to 578,319.75 and 1,253,161.13 is: 2,715,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,319.75 : 1,253,161.13 = 1,253,161.13 : x
  2. Step 2: Convert to fraction form
    578,319.75/1,253,161.13 = 1,253,161.13/x
  3. Step 3: Cross multiply
    578,319.75x = 1,253,161.13 × 1,253,161.13
  4. Step 4: Simplify right side
    578,319.75x = 1,570,412,805,211.27
  5. Step 5: Solve for x
    x = 1,570,412,805,211.27/578,319.75
  6. Step 6: Final answer
    x = 2,715,474.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.