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Finding the Third Proportional to 4,240,860 and 8,839,416

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Solution

The third proportional to 4,240,860 and 8,839,416 is: 18,424,393.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240,860 : 8,839,416 = 8,839,416 : x
  2. Step 2: Convert to fraction form
    4,240,860/8,839,416 = 8,839,416/x
  3. Step 3: Cross multiply
    4,240,860x = 8,839,416 × 8,839,416
  4. Step 4: Simplify right side
    4,240,860x = 78,135,275,221,056
  5. Step 5: Solve for x
    x = 78,135,275,221,056/4,240,860
  6. Step 6: Final answer
    x = 18,424,393.93

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.