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Finding the Third Proportional to 2,888,390 and 4,037,939

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Solution

The third proportional to 2,888,390 and 4,037,939 is: 5,644,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,390 : 4,037,939 = 4,037,939 : x
  2. Step 2: Convert to fraction form
    2,888,390/4,037,939 = 4,037,939/x
  3. Step 3: Cross multiply
    2,888,390x = 4,037,939 × 4,037,939
  4. Step 4: Simplify right side
    2,888,390x = 16,304,951,367,721
  5. Step 5: Solve for x
    x = 16,304,951,367,721/2,888,390
  6. Step 6: Final answer
    x = 5,644,996.47

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.