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Finding the Third Proportional to 1,213,815.38 and 1,885,923

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Solution

The third proportional to 1,213,815.38 and 1,885,923 is: 2,930,186.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,815.38 : 1,885,923 = 1,885,923 : x
  2. Step 2: Convert to fraction form
    1,213,815.38/1,885,923 = 1,885,923/x
  3. Step 3: Cross multiply
    1,213,815.38x = 1,885,923 × 1,885,923
  4. Step 4: Simplify right side
    1,213,815.38x = 3,556,705,561,929
  5. Step 5: Solve for x
    x = 3,556,705,561,929/1,213,815.38
  6. Step 6: Final answer
    x = 2,930,186.61

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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.