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Finding the Third Proportional to 4,428,569 and 6,619,782

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Solution

The third proportional to 4,428,569 and 6,619,782 is: 9,895,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,569 : 6,619,782 = 6,619,782 : x
  2. Step 2: Convert to fraction form
    4,428,569/6,619,782 = 6,619,782/x
  3. Step 3: Cross multiply
    4,428,569x = 6,619,782 × 6,619,782
  4. Step 4: Simplify right side
    4,428,569x = 43,821,513,727,524
  5. Step 5: Solve for x
    x = 43,821,513,727,524/4,428,569
  6. Step 6: Final answer
    x = 9,895,185.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.