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Finding the Third Proportional to 48.50 and 68.63

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Solution

The third proportional to 48.50 and 68.63 is: 97.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.50 : 68.63 = 68.63 : x
  2. Step 2: Convert to fraction form
    48.50/68.63 = 68.63/x
  3. Step 3: Cross multiply
    48.50x = 68.63 × 68.63
  4. Step 4: Simplify right side
    48.50x = 4,709.39
  5. Step 5: Solve for x
    x = 4,709.39/48.50
  6. Step 6: Final answer
    x = 97.10

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.