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Finding the Third Proportional to 86,887.13 and 190,380.38

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Solution

The third proportional to 86,887.13 and 190,380.38 is: 417,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,887.13 : 190,380.38 = 190,380.38 : x
  2. Step 2: Convert to fraction form
    86,887.13/190,380.38 = 190,380.38/x
  3. Step 3: Cross multiply
    86,887.13x = 190,380.38 × 190,380.38
  4. Step 4: Simplify right side
    86,887.13x = 36,244,687,185.14
  5. Step 5: Solve for x
    x = 36,244,687,185.14/86,887.13
  6. Step 6: Final answer
    x = 417,146.81

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.