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Finding the Third Proportional to 235 and 371.63

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Solution

The third proportional to 235 and 371.63 is: 587.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    235 : 371.63 = 371.63 : x
  2. Step 2: Convert to fraction form
    235/371.63 = 371.63/x
  3. Step 3: Cross multiply
    235x = 371.63 × 371.63
  4. Step 4: Simplify right side
    235x = 138,105.14
  5. Step 5: Solve for x
    x = 138,105.14/235
  6. Step 6: Final answer
    x = 587.68

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.