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Finding the Third Proportional to 3,815,439 and 8,293,539

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Solution

The third proportional to 3,815,439 and 8,293,539 is: 18,027,490.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815,439 : 8,293,539 = 8,293,539 : x
  2. Step 2: Convert to fraction form
    3,815,439/8,293,539 = 8,293,539/x
  3. Step 3: Cross multiply
    3,815,439x = 8,293,539 × 8,293,539
  4. Step 4: Simplify right side
    3,815,439x = 68,782,789,144,521
  5. Step 5: Solve for x
    x = 68,782,789,144,521/3,815,439
  6. Step 6: Final answer
    x = 18,027,490.19

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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.