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Finding the Third Proportional to 1,438,536.38 and 2,147,958

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Solution

The third proportional to 1,438,536.38 and 2,147,958 is: 3,207,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,536.38 : 2,147,958 = 2,147,958 : x
  2. Step 2: Convert to fraction form
    1,438,536.38/2,147,958 = 2,147,958/x
  3. Step 3: Cross multiply
    1,438,536.38x = 2,147,958 × 2,147,958
  4. Step 4: Simplify right side
    1,438,536.38x = 4,613,723,569,764
  5. Step 5: Solve for x
    x = 4,613,723,569,764/1,438,536.38
  6. Step 6: Final answer
    x = 3,207,234.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.