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Finding the Third Proportional to 1.56 and 3.32

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Solution

The third proportional to 1.56 and 3.32 is: 7.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.56 : 3.32 = 3.32 : x
  2. Step 2: Convert to fraction form
    1.56/3.32 = 3.32/x
  3. Step 3: Cross multiply
    1.56x = 3.32 × 3.32
  4. Step 4: Simplify right side
    1.56x = 11.00
  5. Step 5: Solve for x
    x = 11.00/1.56
  6. Step 6: Final answer
    x = 7.06

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.