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Finding the Third Proportional to 29.50 and 57.50

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Solution

The third proportional to 29.50 and 57.50 is: 112.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.50 : 57.50 = 57.50 : x
  2. Step 2: Convert to fraction form
    29.50/57.50 = 57.50/x
  3. Step 3: Cross multiply
    29.50x = 57.50 × 57.50
  4. Step 4: Simplify right side
    29.50x = 3,306.25
  5. Step 5: Solve for x
    x = 3,306.25/29.50
  6. Step 6: Final answer
    x = 112.08

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.