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Finding the Third Proportional to 69,512 and 151,768

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Solution

The third proportional to 69,512 and 151,768 is: 331,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,512 : 151,768 = 151,768 : x
  2. Step 2: Convert to fraction form
    69,512/151,768 = 151,768/x
  3. Step 3: Cross multiply
    69,512x = 151,768 × 151,768
  4. Step 4: Simplify right side
    69,512x = 23,033,525,824
  5. Step 5: Solve for x
    x = 23,033,525,824/69,512
  6. Step 6: Final answer
    x = 331,360.42

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.