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Finding the Third Proportional to 1,181,472.75 and 2,591,709.75

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Solution

The third proportional to 1,181,472.75 and 2,591,709.75 is: 5,685,242.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,472.75 : 2,591,709.75 = 2,591,709.75 : x
  2. Step 2: Convert to fraction form
    1,181,472.75/2,591,709.75 = 2,591,709.75/x
  3. Step 3: Cross multiply
    1,181,472.75x = 2,591,709.75 × 2,591,709.75
  4. Step 4: Simplify right side
    1,181,472.75x = 6,716,959,428,245.06
  5. Step 5: Solve for x
    x = 6,716,959,428,245.06/1,181,472.75
  6. Step 6: Final answer
    x = 5,685,242.79

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.