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Finding the Third Proportional to 86,832 and 190,287

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Solution

The third proportional to 86,832 and 190,287 is: 417,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,832 : 190,287 = 190,287 : x
  2. Step 2: Convert to fraction form
    86,832/190,287 = 190,287/x
  3. Step 3: Cross multiply
    86,832x = 190,287 × 190,287
  4. Step 4: Simplify right side
    86,832x = 36,209,142,369
  5. Step 5: Solve for x
    x = 36,209,142,369/86,832
  6. Step 6: Final answer
    x = 417,002.28

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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.