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Finding the Third Proportional to 84,076.88 and 181,891.13

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Solution

The third proportional to 84,076.88 and 181,891.13 is: 393,501.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,076.88 : 181,891.13 = 181,891.13 : x
  2. Step 2: Convert to fraction form
    84,076.88/181,891.13 = 181,891.13/x
  3. Step 3: Cross multiply
    84,076.88x = 181,891.13 × 181,891.13
  4. Step 4: Simplify right side
    84,076.88x = 33,084,381,353.77
  5. Step 5: Solve for x
    x = 33,084,381,353.77/84,076.88
  6. Step 6: Final answer
    x = 393,501.56

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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.