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Finding the Third Proportional to 64.50 and 110.06

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Solution

The third proportional to 64.50 and 110.06 is: 187.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.50 : 110.06 = 110.06 : x
  2. Step 2: Convert to fraction form
    64.50/110.06 = 110.06/x
  3. Step 3: Cross multiply
    64.50x = 110.06 × 110.06
  4. Step 4: Simplify right side
    64.50x = 12,113.75
  5. Step 5: Solve for x
    x = 12,113.75/64.50
  6. Step 6: Final answer
    x = 187.81

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Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.