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Finding the Third Proportional to 327,636 and 493,758

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Solution

The third proportional to 327,636 and 493,758 is: 744,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,636 : 493,758 = 493,758 : x
  2. Step 2: Convert to fraction form
    327,636/493,758 = 493,758/x
  3. Step 3: Cross multiply
    327,636x = 493,758 × 493,758
  4. Step 4: Simplify right side
    327,636x = 243,796,962,564
  5. Step 5: Solve for x
    x = 243,796,962,564/327,636
  6. Step 6: Final answer
    x = 744,109.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.