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Finding the Third Proportional to 1.16 and 1.88

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Solution

The third proportional to 1.16 and 1.88 is: 3.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.16 : 1.88 = 1.88 : x
  2. Step 2: Convert to fraction form
    1.16/1.88 = 1.88/x
  3. Step 3: Cross multiply
    1.16x = 1.88 × 1.88
  4. Step 4: Simplify right side
    1.16x = 3.53
  5. Step 5: Solve for x
    x = 3.53/1.16
  6. Step 6: Final answer
    x = 3.05

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.