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Finding the Third Proportional to 3,992,902 and 6,205,931

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Solution

The third proportional to 3,992,902 and 6,205,931 is: 9,645,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,902 : 6,205,931 = 6,205,931 : x
  2. Step 2: Convert to fraction form
    3,992,902/6,205,931 = 6,205,931/x
  3. Step 3: Cross multiply
    3,992,902x = 6,205,931 × 6,205,931
  4. Step 4: Simplify right side
    3,992,902x = 38,513,579,576,761
  5. Step 5: Solve for x
    x = 38,513,579,576,761/3,992,902
  6. Step 6: Final answer
    x = 9,645,510.85

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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.