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Finding the Third Proportional to 340,932 and 511,398

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Solution

The third proportional to 340,932 and 511,398 is: 767,097

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,932 : 511,398 = 511,398 : x
  2. Step 2: Convert to fraction form
    340,932/511,398 = 511,398/x
  3. Step 3: Cross multiply
    340,932x = 511,398 × 511,398
  4. Step 4: Simplify right side
    340,932x = 261,527,914,404
  5. Step 5: Solve for x
    x = 261,527,914,404/340,932
  6. Step 6: Final answer
    x = 767,097

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.