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Finding the Third Proportional to 187,056 and 279,846

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Solution

The third proportional to 187,056 and 279,846 is: 418,664.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,056 : 279,846 = 279,846 : x
  2. Step 2: Convert to fraction form
    187,056/279,846 = 279,846/x
  3. Step 3: Cross multiply
    187,056x = 279,846 × 279,846
  4. Step 4: Simplify right side
    187,056x = 78,313,783,716
  5. Step 5: Solve for x
    x = 78,313,783,716/187,056
  6. Step 6: Final answer
    x = 418,664.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.