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Finding the Third Proportional to 187.63 and 264.13

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Solution

The third proportional to 187.63 and 264.13 is: 371.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.63 : 264.13 = 264.13 : x
  2. Step 2: Convert to fraction form
    187.63/264.13 = 264.13/x
  3. Step 3: Cross multiply
    187.63x = 264.13 × 264.13
  4. Step 4: Simplify right side
    187.63x = 69,762.02
  5. Step 5: Solve for x
    x = 69,762.02/187.63
  6. Step 6: Final answer
    x = 371.82

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.