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Finding the Third Proportional to 41.45 and 64.53

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Solution

The third proportional to 41.45 and 64.53 is: 100.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.45 : 64.53 = 64.53 : x
  2. Step 2: Convert to fraction form
    41.45/64.53 = 64.53/x
  3. Step 3: Cross multiply
    41.45x = 64.53 × 64.53
  4. Step 4: Simplify right side
    41.45x = 4,164.03
  5. Step 5: Solve for x
    x = 4,164.03/41.45
  6. Step 6: Final answer
    x = 100.46

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.