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Finding the Third Proportional to 91.50 and 93.75

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Solution

The third proportional to 91.50 and 93.75 is: 96.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91.50 : 93.75 = 93.75 : x
  2. Step 2: Convert to fraction form
    91.50/93.75 = 93.75/x
  3. Step 3: Cross multiply
    91.50x = 93.75 × 93.75
  4. Step 4: Simplify right side
    91.50x = 8,789.06
  5. Step 5: Solve for x
    x = 8,789.06/91.50
  6. Step 6: Final answer
    x = 96.06

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Why These Related Problems?

These problems maintain the same ratio (1.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.