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Finding the Third Proportional to 187.88 and 282.94

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Solution

The third proportional to 187.88 and 282.94 is: 426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.88 : 282.94 = 282.94 : x
  2. Step 2: Convert to fraction form
    187.88/282.94 = 282.94/x
  3. Step 3: Cross multiply
    187.88x = 282.94 × 282.94
  4. Step 4: Simplify right side
    187.88x = 80,053.63
  5. Step 5: Solve for x
    x = 80,053.63/187.88
  6. Step 6: Final answer
    x = 426.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.