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Finding the Third Proportional to 467,778.80 and 636,622.03

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Solution

The third proportional to 467,778.80 and 636,622.03 is: 866,408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,778.80 : 636,622.03 = 636,622.03 : x
  2. Step 2: Convert to fraction form
    467,778.80/636,622.03 = 636,622.03/x
  3. Step 3: Cross multiply
    467,778.80x = 636,622.03 × 636,622.03
  4. Step 4: Simplify right side
    467,778.80x = 405,287,610,672.88
  5. Step 5: Solve for x
    x = 405,287,610,672.88/467,778.80
  6. Step 6: Final answer
    x = 866,408.68

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.