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Finding the Third Proportional to 3,773,370 and 8,147,439

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Solution

The third proportional to 3,773,370 and 8,147,439 is: 17,591,903.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773,370 : 8,147,439 = 8,147,439 : x
  2. Step 2: Convert to fraction form
    3,773,370/8,147,439 = 8,147,439/x
  3. Step 3: Cross multiply
    3,773,370x = 8,147,439 × 8,147,439
  4. Step 4: Simplify right side
    3,773,370x = 66,380,762,258,721
  5. Step 5: Solve for x
    x = 66,380,762,258,721/3,773,370
  6. Step 6: Final answer
    x = 17,591,903.86

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.