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Finding the Third Proportional to 4,270,359 and 9,328,686

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Solution

The third proportional to 4,270,359 and 9,328,686 is: 20,378,704.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270,359 : 9,328,686 = 9,328,686 : x
  2. Step 2: Convert to fraction form
    4,270,359/9,328,686 = 9,328,686/x
  3. Step 3: Cross multiply
    4,270,359x = 9,328,686 × 9,328,686
  4. Step 4: Simplify right side
    4,270,359x = 87,024,382,486,596
  5. Step 5: Solve for x
    x = 87,024,382,486,596/4,270,359
  6. Step 6: Final answer
    x = 20,378,704.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.