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Finding the Third Proportional to 0.07 and 0.11

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Solution

The third proportional to 0.07 and 0.11 is: 0.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.07 : 0.11 = 0.11 : x
  2. Step 2: Convert to fraction form
    0.07/0.11 = 0.11/x
  3. Step 3: Cross multiply
    0.07x = 0.11 × 0.11
  4. Step 4: Simplify right side
    0.07x = 0.01
  5. Step 5: Solve for x
    x = 0.01/0.07
  6. Step 6: Final answer
    x = 0.17

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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.