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Finding the Third Proportional to 4.35 and 9.17

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Solution

The third proportional to 4.35 and 9.17 is: 19.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.35 : 9.17 = 9.17 : x
  2. Step 2: Convert to fraction form
    4.35/9.17 = 9.17/x
  3. Step 3: Cross multiply
    4.35x = 9.17 × 9.17
  4. Step 4: Simplify right side
    4.35x = 84.06
  5. Step 5: Solve for x
    x = 84.06/4.35
  6. Step 6: Final answer
    x = 19.34

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.