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Finding the Third Proportional to 3,676,243 and 5,561,645.84

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Solution

The third proportional to 3,676,243 and 5,561,645.84 is: 8,413,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676,243 : 5,561,645.84 = 5,561,645.84 : x
  2. Step 2: Convert to fraction form
    3,676,243/5,561,645.84 = 5,561,645.84/x
  3. Step 3: Cross multiply
    3,676,243x = 5,561,645.84 × 5,561,645.84
  4. Step 4: Simplify right side
    3,676,243x = 30,931,904,491,301.65
  5. Step 5: Solve for x
    x = 30,931,904,491,301.65/3,676,243
  6. Step 6: Final answer
    x = 8,413,998.88

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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.