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Finding the Third Proportional to 331,245.75 and 714,949.13

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Solution

The third proportional to 331,245.75 and 714,949.13 is: 1,543,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,245.75 : 714,949.13 = 714,949.13 : x
  2. Step 2: Convert to fraction form
    331,245.75/714,949.13 = 714,949.13/x
  3. Step 3: Cross multiply
    331,245.75x = 714,949.13 × 714,949.13
  4. Step 4: Simplify right side
    331,245.75x = 511,152,251,338.27
  5. Step 5: Solve for x
    x = 511,152,251,338.27/331,245.75
  6. Step 6: Final answer
    x = 1,543,120.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.