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Finding the Third Proportional to 394,533.28 and 862,893

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Solution

The third proportional to 394,533.28 and 862,893 is: 1,887,253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,533.28 : 862,893 = 862,893 : x
  2. Step 2: Convert to fraction form
    394,533.28/862,893 = 862,893/x
  3. Step 3: Cross multiply
    394,533.28x = 862,893 × 862,893
  4. Step 4: Simplify right side
    394,533.28x = 744,584,329,449
  5. Step 5: Solve for x
    x = 744,584,329,449/394,533.28
  6. Step 6: Final answer
    x = 1,887,253.53

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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.