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Finding the Third Proportional to 51 and 89.50

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Solution

The third proportional to 51 and 89.50 is: 157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51 : 89.50 = 89.50 : x
  2. Step 2: Convert to fraction form
    51/89.50 = 89.50/x
  3. Step 3: Cross multiply
    51x = 89.50 × 89.50
  4. Step 4: Simplify right side
    51x = 8,010.25
  5. Step 5: Solve for x
    x = 8,010.25/51
  6. Step 6: Final answer
    x = 157.06

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These problems maintain the same ratio (1.75) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.