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Finding the Third Proportional to 40.10 and 60.16

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Solution

The third proportional to 40.10 and 60.16 is: 90.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.10 : 60.16 = 60.16 : x
  2. Step 2: Convert to fraction form
    40.10/60.16 = 60.16/x
  3. Step 3: Cross multiply
    40.10x = 60.16 × 60.16
  4. Step 4: Simplify right side
    40.10x = 3,618.83
  5. Step 5: Solve for x
    x = 3,618.83/40.10
  6. Step 6: Final answer
    x = 90.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.