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Finding the Third Proportional to 327,413 and 492,338

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Solution

The third proportional to 327,413 and 492,338 is: 740,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,413 : 492,338 = 492,338 : x
  2. Step 2: Convert to fraction form
    327,413/492,338 = 492,338/x
  3. Step 3: Cross multiply
    327,413x = 492,338 × 492,338
  4. Step 4: Simplify right side
    327,413x = 242,396,706,244
  5. Step 5: Solve for x
    x = 242,396,706,244/327,413
  6. Step 6: Final answer
    x = 740,339.28

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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.