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Finding the Third Proportional to 98.63 and 149.50

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Solution

The third proportional to 98.63 and 149.50 is: 226.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98.63 : 149.50 = 149.50 : x
  2. Step 2: Convert to fraction form
    98.63/149.50 = 149.50/x
  3. Step 3: Cross multiply
    98.63x = 149.50 × 149.50
  4. Step 4: Simplify right side
    98.63x = 22,350.25
  5. Step 5: Solve for x
    x = 22,350.25/98.63
  6. Step 6: Final answer
    x = 226.62

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.