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Finding the Third Proportional to 33,240 and 70,232

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Solution

The third proportional to 33,240 and 70,232 is: 148,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,240 : 70,232 = 70,232 : x
  2. Step 2: Convert to fraction form
    33,240/70,232 = 70,232/x
  3. Step 3: Cross multiply
    33,240x = 70,232 × 70,232
  4. Step 4: Simplify right side
    33,240x = 4,932,533,824
  5. Step 5: Solve for x
    x = 4,932,533,824/33,240
  6. Step 6: Final answer
    x = 148,391.51

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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.