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Finding the Third Proportional to 4.98 and 10.32

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Solution

The third proportional to 4.98 and 10.32 is: 21.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.98 : 10.32 = 10.32 : x
  2. Step 2: Convert to fraction form
    4.98/10.32 = 10.32/x
  3. Step 3: Cross multiply
    4.98x = 10.32 × 10.32
  4. Step 4: Simplify right side
    4.98x = 106.56
  5. Step 5: Solve for x
    x = 106.56/4.98
  6. Step 6: Final answer
    x = 21.38

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.