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Finding the Third Proportional to 331,706 and 715,252

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Solution

The third proportional to 331,706 and 715,252 is: 1,542,285.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,706 : 715,252 = 715,252 : x
  2. Step 2: Convert to fraction form
    331,706/715,252 = 715,252/x
  3. Step 3: Cross multiply
    331,706x = 715,252 × 715,252
  4. Step 4: Simplify right side
    331,706x = 511,585,423,504
  5. Step 5: Solve for x
    x = 511,585,423,504/331,706
  6. Step 6: Final answer
    x = 1,542,285.71

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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.