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Finding the Third Proportional to 86,259.75 and 187,707

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Solution

The third proportional to 86,259.75 and 187,707 is: 408,463.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,259.75 : 187,707 = 187,707 : x
  2. Step 2: Convert to fraction form
    86,259.75/187,707 = 187,707/x
  3. Step 3: Cross multiply
    86,259.75x = 187,707 × 187,707
  4. Step 4: Simplify right side
    86,259.75x = 35,233,917,849
  5. Step 5: Solve for x
    x = 35,233,917,849/86,259.75
  6. Step 6: Final answer
    x = 408,463.02

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.