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Finding the Third Proportional to 187,900 and 274,350

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Solution

The third proportional to 187,900 and 274,350 is: 400,574.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,900 : 274,350 = 274,350 : x
  2. Step 2: Convert to fraction form
    187,900/274,350 = 274,350/x
  3. Step 3: Cross multiply
    187,900x = 274,350 × 274,350
  4. Step 4: Simplify right side
    187,900x = 75,267,922,500
  5. Step 5: Solve for x
    x = 75,267,922,500/187,900
  6. Step 6: Final answer
    x = 400,574.36

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.