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Finding the Third Proportional to 124 and 157.50

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Solution

The third proportional to 124 and 157.50 is: 200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124 : 157.50 = 157.50 : x
  2. Step 2: Convert to fraction form
    124/157.50 = 157.50/x
  3. Step 3: Cross multiply
    124x = 157.50 × 157.50
  4. Step 4: Simplify right side
    124x = 24,806.25
  5. Step 5: Solve for x
    x = 24,806.25/124
  6. Step 6: Final answer
    x = 200.05

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These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.