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Finding the Third Proportional to 61 and 94.25

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Solution

The third proportional to 61 and 94.25 is: 145.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61 : 94.25 = 94.25 : x
  2. Step 2: Convert to fraction form
    61/94.25 = 94.25/x
  3. Step 3: Cross multiply
    61x = 94.25 × 94.25
  4. Step 4: Simplify right side
    61x = 8,883.06
  5. Step 5: Solve for x
    x = 8,883.06/61
  6. Step 6: Final answer
    x = 145.62

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.