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Finding the Third Proportional to 5,555,535.75 and 7,929,186.75

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Solution

The third proportional to 5,555,535.75 and 7,929,186.75 is: 11,317,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555,535.75 : 7,929,186.75 = 7,929,186.75 : x
  2. Step 2: Convert to fraction form
    5,555,535.75/7,929,186.75 = 7,929,186.75/x
  3. Step 3: Cross multiply
    5,555,535.75x = 7,929,186.75 × 7,929,186.75
  4. Step 4: Simplify right side
    5,555,535.75x = 62,872,002,516,375.56
  5. Step 5: Solve for x
    x = 62,872,002,516,375.56/5,555,535.75
  6. Step 6: Final answer
    x = 11,317,000.80

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.