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Finding the Third Proportional to 87,881.63 and 181,990.13

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Solution

The third proportional to 87,881.63 and 181,990.13 is: 376,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,881.63 : 181,990.13 = 181,990.13 : x
  2. Step 2: Convert to fraction form
    87,881.63/181,990.13 = 181,990.13/x
  3. Step 3: Cross multiply
    87,881.63x = 181,990.13 × 181,990.13
  4. Step 4: Simplify right side
    87,881.63x = 33,120,405,597.52
  5. Step 5: Solve for x
    x = 33,120,405,597.52/87,881.63
  6. Step 6: Final answer
    x = 376,875.21

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.