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Finding the Third Proportional to 86,816 and 184,290

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Solution

The third proportional to 86,816 and 184,290 is: 391,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,816 : 184,290 = 184,290 : x
  2. Step 2: Convert to fraction form
    86,816/184,290 = 184,290/x
  3. Step 3: Cross multiply
    86,816x = 184,290 × 184,290
  4. Step 4: Simplify right side
    86,816x = 33,962,804,100
  5. Step 5: Solve for x
    x = 33,962,804,100/86,816
  6. Step 6: Final answer
    x = 391,204.43

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.