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Finding the Third Proportional to 2,043,387 and 4,380,378.75

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Solution

The third proportional to 2,043,387 and 4,380,378.75 is: 9,390,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043,387 : 4,380,378.75 = 4,380,378.75 : x
  2. Step 2: Convert to fraction form
    2,043,387/4,380,378.75 = 4,380,378.75/x
  3. Step 3: Cross multiply
    2,043,387x = 4,380,378.75 × 4,380,378.75
  4. Step 4: Simplify right side
    2,043,387x = 19,187,717,993,451.56
  5. Step 5: Solve for x
    x = 19,187,717,993,451.56/2,043,387
  6. Step 6: Final answer
    x = 9,390,153.70

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.