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Finding the Third Proportional to 29,330 and 61,960

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Solution

The third proportional to 29,330 and 61,960 is: 130,891.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,330 : 61,960 = 61,960 : x
  2. Step 2: Convert to fraction form
    29,330/61,960 = 61,960/x
  3. Step 3: Cross multiply
    29,330x = 61,960 × 61,960
  4. Step 4: Simplify right side
    29,330x = 3,839,041,600
  5. Step 5: Solve for x
    x = 3,839,041,600/29,330
  6. Step 6: Final answer
    x = 130,891.29

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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.