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Finding the Third Proportional to 2,729,678 and 4,281,687

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Solution

The third proportional to 2,729,678 and 4,281,687 is: 6,716,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729,678 : 4,281,687 = 4,281,687 : x
  2. Step 2: Convert to fraction form
    2,729,678/4,281,687 = 4,281,687/x
  3. Step 3: Cross multiply
    2,729,678x = 4,281,687 × 4,281,687
  4. Step 4: Simplify right side
    2,729,678x = 18,332,843,565,969
  5. Step 5: Solve for x
    x = 18,332,843,565,969/2,729,678
  6. Step 6: Final answer
    x = 6,716,119.47

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.