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Finding the Third Proportional to 61.45 and 95.63

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Solution

The third proportional to 61.45 and 95.63 is: 148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.45 : 95.63 = 95.63 : x
  2. Step 2: Convert to fraction form
    61.45/95.63 = 95.63/x
  3. Step 3: Cross multiply
    61.45x = 95.63 × 95.63
  4. Step 4: Simplify right side
    61.45x = 9,144.14
  5. Step 5: Solve for x
    x = 9,144.14/61.45
  6. Step 6: Final answer
    x = 148.80

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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.