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Finding the Third Proportional to 92 and 154.50

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Solution

The third proportional to 92 and 154.50 is: 259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92 : 154.50 = 154.50 : x
  2. Step 2: Convert to fraction form
    92/154.50 = 154.50/x
  3. Step 3: Cross multiply
    92x = 154.50 × 154.50
  4. Step 4: Simplify right side
    92x = 23,870.25
  5. Step 5: Solve for x
    x = 23,870.25/92
  6. Step 6: Final answer
    x = 259.46

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.