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Finding the Third Proportional to 4,192,720 and 6,328,928

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Solution

The third proportional to 4,192,720 and 6,328,928 is: 9,553,542.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192,720 : 6,328,928 = 6,328,928 : x
  2. Step 2: Convert to fraction form
    4,192,720/6,328,928 = 6,328,928/x
  3. Step 3: Cross multiply
    4,192,720x = 6,328,928 × 6,328,928
  4. Step 4: Simplify right side
    4,192,720x = 40,055,329,629,184
  5. Step 5: Solve for x
    x = 40,055,329,629,184/4,192,720
  6. Step 6: Final answer
    x = 9,553,542.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.