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Finding the Third Proportional to 371.75 and 450.50

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Solution

The third proportional to 371.75 and 450.50 is: 545.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.75 : 450.50 = 450.50 : x
  2. Step 2: Convert to fraction form
    371.75/450.50 = 450.50/x
  3. Step 3: Cross multiply
    371.75x = 450.50 × 450.50
  4. Step 4: Simplify right side
    371.75x = 202,950.25
  5. Step 5: Solve for x
    x = 202,950.25/371.75
  6. Step 6: Final answer
    x = 545.93

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.