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Finding the Third Proportional to 1,055,136.38 and 2,147,561.86

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Solution

The third proportional to 1,055,136.38 and 2,147,561.86 is: 4,371,019.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,136.38 : 2,147,561.86 = 2,147,561.86 : x
  2. Step 2: Convert to fraction form
    1,055,136.38/2,147,561.86 = 2,147,561.86/x
  3. Step 3: Cross multiply
    1,055,136.38x = 2,147,561.86 × 2,147,561.86
  4. Step 4: Simplify right side
    1,055,136.38x = 4,612,021,939,842.21
  5. Step 5: Solve for x
    x = 4,612,021,939,842.21/1,055,136.38
  6. Step 6: Final answer
    x = 4,371,019.76

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These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.