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Finding the Third Proportional to 48.50 and 91

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Solution

The third proportional to 48.50 and 91 is: 170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.50 : 91 = 91 : x
  2. Step 2: Convert to fraction form
    48.50/91 = 91/x
  3. Step 3: Cross multiply
    48.50x = 91 × 91
  4. Step 4: Simplify right side
    48.50x = 8,281
  5. Step 5: Solve for x
    x = 8,281/48.50
  6. Step 6: Final answer
    x = 170.74

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.