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Finding the Third Proportional to 274,534 and 417,086

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Solution

The third proportional to 274,534 and 417,086 is: 633,658.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,534 : 417,086 = 417,086 : x
  2. Step 2: Convert to fraction form
    274,534/417,086 = 417,086/x
  3. Step 3: Cross multiply
    274,534x = 417,086 × 417,086
  4. Step 4: Simplify right side
    274,534x = 173,960,731,396
  5. Step 5: Solve for x
    x = 173,960,731,396/274,534
  6. Step 6: Final answer
    x = 633,658.24

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.