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Finding the Third Proportional to 4,328,760 and 6,728,922

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Solution

The third proportional to 4,328,760 and 6,728,922 is: 10,459,898.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328,760 : 6,728,922 = 6,728,922 : x
  2. Step 2: Convert to fraction form
    4,328,760/6,728,922 = 6,728,922/x
  3. Step 3: Cross multiply
    4,328,760x = 6,728,922 × 6,728,922
  4. Step 4: Simplify right side
    4,328,760x = 45,278,391,282,084
  5. Step 5: Solve for x
    x = 45,278,391,282,084/4,328,760
  6. Step 6: Final answer
    x = 10,459,898.74

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.