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Finding the Third Proportional to 34.21 and 49.03

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Solution

The third proportional to 34.21 and 49.03 is: 70.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.21 : 49.03 = 49.03 : x
  2. Step 2: Convert to fraction form
    34.21/49.03 = 49.03/x
  3. Step 3: Cross multiply
    34.21x = 49.03 × 49.03
  4. Step 4: Simplify right side
    34.21x = 2,404.43
  5. Step 5: Solve for x
    x = 2,404.43/34.21
  6. Step 6: Final answer
    x = 70.28

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.