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Finding the Third Proportional to 541,738.13 and 810,913.78

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Solution

The third proportional to 541,738.13 and 810,913.78 is: 1,213,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,738.13 : 810,913.78 = 810,913.78 : x
  2. Step 2: Convert to fraction form
    541,738.13/810,913.78 = 810,913.78/x
  3. Step 3: Cross multiply
    541,738.13x = 810,913.78 × 810,913.78
  4. Step 4: Simplify right side
    541,738.13x = 657,581,160,621.17
  5. Step 5: Solve for x
    x = 657,581,160,621.17/541,738.13
  6. Step 6: Final answer
    x = 1,213,835.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.