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Finding the Third Proportional to 3,782,781 and 8,208,567

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Solution

The third proportional to 3,782,781 and 8,208,567 is: 17,812,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782,781 : 8,208,567 = 8,208,567 : x
  2. Step 2: Convert to fraction form
    3,782,781/8,208,567 = 8,208,567/x
  3. Step 3: Cross multiply
    3,782,781x = 8,208,567 × 8,208,567
  4. Step 4: Simplify right side
    3,782,781x = 67,380,572,193,489
  5. Step 5: Solve for x
    x = 67,380,572,193,489/3,782,781
  6. Step 6: Final answer
    x = 17,812,443.33

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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.