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Finding the Third Proportional to 175,622 and 271,677

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Solution

The third proportional to 175,622 and 271,677 is: 420,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,622 : 271,677 = 271,677 : x
  2. Step 2: Convert to fraction form
    175,622/271,677 = 271,677/x
  3. Step 3: Cross multiply
    175,622x = 271,677 × 271,677
  4. Step 4: Simplify right side
    175,622x = 73,808,392,329
  5. Step 5: Solve for x
    x = 73,808,392,329/175,622
  6. Step 6: Final answer
    x = 420,268.49

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.