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Finding the Third Proportional to 1,985,942 and 4,286,756

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Solution

The third proportional to 1,985,942 and 4,286,756 is: 9,253,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,942 : 4,286,756 = 4,286,756 : x
  2. Step 2: Convert to fraction form
    1,985,942/4,286,756 = 4,286,756/x
  3. Step 3: Cross multiply
    1,985,942x = 4,286,756 × 4,286,756
  4. Step 4: Simplify right side
    1,985,942x = 18,376,277,003,536
  5. Step 5: Solve for x
    x = 18,376,277,003,536/1,985,942
  6. Step 6: Final answer
    x = 9,253,179.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.