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Finding the Third Proportional to 56 and 97.50

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Solution

The third proportional to 56 and 97.50 is: 169.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56 : 97.50 = 97.50 : x
  2. Step 2: Convert to fraction form
    56/97.50 = 97.50/x
  3. Step 3: Cross multiply
    56x = 97.50 × 97.50
  4. Step 4: Simplify right side
    56x = 9,506.25
  5. Step 5: Solve for x
    x = 9,506.25/56
  6. Step 6: Final answer
    x = 169.75

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.