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Finding the Third Proportional to 4,278,384 and 6,418,500

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Solution

The third proportional to 4,278,384 and 6,418,500 is: 9,629,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278,384 : 6,418,500 = 6,418,500 : x
  2. Step 2: Convert to fraction form
    4,278,384/6,418,500 = 6,418,500/x
  3. Step 3: Cross multiply
    4,278,384x = 6,418,500 × 6,418,500
  4. Step 4: Simplify right side
    4,278,384x = 41,197,142,250,000
  5. Step 5: Solve for x
    x = 41,197,142,250,000/4,278,384
  6. Step 6: Final answer
    x = 9,629,136.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.