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Finding the Third Proportional to 327,482 and 492,438

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Solution

The third proportional to 327,482 and 492,438 is: 740,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,482 : 492,438 = 492,438 : x
  2. Step 2: Convert to fraction form
    327,482/492,438 = 492,438/x
  3. Step 3: Cross multiply
    327,482x = 492,438 × 492,438
  4. Step 4: Simplify right side
    327,482x = 242,495,183,844
  5. Step 5: Solve for x
    x = 242,495,183,844/327,482
  6. Step 6: Final answer
    x = 740,484.01

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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.