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Finding the Third Proportional to 187,052 and 400,366

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Solution

The third proportional to 187,052 and 400,366 is: 856,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,052 : 400,366 = 400,366 : x
  2. Step 2: Convert to fraction form
    187,052/400,366 = 400,366/x
  3. Step 3: Cross multiply
    187,052x = 400,366 × 400,366
  4. Step 4: Simplify right side
    187,052x = 160,292,933,956
  5. Step 5: Solve for x
    x = 160,292,933,956/187,052
  6. Step 6: Final answer
    x = 856,943.17

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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.