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Finding the Third Proportional to 331,244 and 714,940

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Solution

The third proportional to 331,244 and 714,940 is: 1,543,089.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,244 : 714,940 = 714,940 : x
  2. Step 2: Convert to fraction form
    331,244/714,940 = 714,940/x
  3. Step 3: Cross multiply
    331,244x = 714,940 × 714,940
  4. Step 4: Simplify right side
    331,244x = 511,139,203,600
  5. Step 5: Solve for x
    x = 511,139,203,600/331,244
  6. Step 6: Final answer
    x = 1,543,089.70

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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.