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Finding the Third Proportional to 155,952 and 331,344

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Solution

The third proportional to 155,952 and 331,344 is: 703,991.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,952 : 331,344 = 331,344 : x
  2. Step 2: Convert to fraction form
    155,952/331,344 = 331,344/x
  3. Step 3: Cross multiply
    155,952x = 331,344 × 331,344
  4. Step 4: Simplify right side
    155,952x = 109,788,846,336
  5. Step 5: Solve for x
    x = 109,788,846,336/155,952
  6. Step 6: Final answer
    x = 703,991.27

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.