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Finding the Third Proportional to 45.35 and 65.60

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Solution

The third proportional to 45.35 and 65.60 is: 94.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.35 : 65.60 = 65.60 : x
  2. Step 2: Convert to fraction form
    45.35/65.60 = 65.60/x
  3. Step 3: Cross multiply
    45.35x = 65.60 × 65.60
  4. Step 4: Simplify right side
    45.35x = 4,303.57
  5. Step 5: Solve for x
    x = 4,303.57/45.35
  6. Step 6: Final answer
    x = 94.89

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.