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Finding the Third Proportional to 187,251 and 400,746

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Solution

The third proportional to 187,251 and 400,746 is: 857,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,251 : 400,746 = 400,746 : x
  2. Step 2: Convert to fraction form
    187,251/400,746 = 400,746/x
  3. Step 3: Cross multiply
    187,251x = 400,746 × 400,746
  4. Step 4: Simplify right side
    187,251x = 160,597,356,516
  5. Step 5: Solve for x
    x = 160,597,356,516/187,251
  6. Step 6: Final answer
    x = 857,658.20

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.