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Finding the Third Proportional to 918,310.92 and 2,144,405.39

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Solution

The third proportional to 918,310.92 and 2,144,405.39 is: 5,007,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,310.92 : 2,144,405.39 = 2,144,405.39 : x
  2. Step 2: Convert to fraction form
    918,310.92/2,144,405.39 = 2,144,405.39/x
  3. Step 3: Cross multiply
    918,310.92x = 2,144,405.39 × 2,144,405.39
  4. Step 4: Simplify right side
    918,310.92x = 4,598,474,479,341.56
  5. Step 5: Solve for x
    x = 4,598,474,479,341.56/918,310.92
  6. Step 6: Final answer
    x = 5,007,535.43

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.