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Finding the Third Proportional to 175,626 and 271,683

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Solution

The third proportional to 175,626 and 271,683 is: 420,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,626 : 271,683 = 271,683 : x
  2. Step 2: Convert to fraction form
    175,626/271,683 = 271,683/x
  3. Step 3: Cross multiply
    175,626x = 271,683 × 271,683
  4. Step 4: Simplify right side
    175,626x = 73,811,652,489
  5. Step 5: Solve for x
    x = 73,811,652,489/175,626
  6. Step 6: Final answer
    x = 420,277.48

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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.