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Finding the Third Proportional to 187.63 and 282.75

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Solution

The third proportional to 187.63 and 282.75 is: 426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.63 : 282.75 = 282.75 : x
  2. Step 2: Convert to fraction form
    187.63/282.75 = 282.75/x
  3. Step 3: Cross multiply
    187.63x = 282.75 × 282.75
  4. Step 4: Simplify right side
    187.63x = 79,947.56
  5. Step 5: Solve for x
    x = 79,947.56/187.63
  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.