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Finding the Third Proportional to 84,144 and 181,668

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Solution

The third proportional to 84,144 and 181,668 is: 392,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,144 : 181,668 = 181,668 : x
  2. Step 2: Convert to fraction form
    84,144/181,668 = 181,668/x
  3. Step 3: Cross multiply
    84,144x = 181,668 × 181,668
  4. Step 4: Simplify right side
    84,144x = 33,003,262,224
  5. Step 5: Solve for x
    x = 33,003,262,224/84,144
  6. Step 6: Final answer
    x = 392,223.60

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.