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Finding the Third Proportional to 46.31 and 60.09

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Solution

The third proportional to 46.31 and 60.09 is: 77.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.31 : 60.09 = 60.09 : x
  2. Step 2: Convert to fraction form
    46.31/60.09 = 60.09/x
  3. Step 3: Cross multiply
    46.31x = 60.09 × 60.09
  4. Step 4: Simplify right side
    46.31x = 3,611.26
  5. Step 5: Solve for x
    x = 3,611.26/46.31
  6. Step 6: Final answer
    x = 77.98

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.