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Finding the Third Proportional to 0.76 and 1.18

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Solution

The third proportional to 0.76 and 1.18 is: 1.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.76 : 1.18 = 1.18 : x
  2. Step 2: Convert to fraction form
    0.76/1.18 = 1.18/x
  3. Step 3: Cross multiply
    0.76x = 1.18 × 1.18
  4. Step 4: Simplify right side
    0.76x = 1.39
  5. Step 5: Solve for x
    x = 1.39/0.76
  6. Step 6: Final answer
    x = 1.84

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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.