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Finding the Third Proportional to 86,304 and 188,664

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Solution

The third proportional to 86,304 and 188,664 is: 412,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,304 : 188,664 = 188,664 : x
  2. Step 2: Convert to fraction form
    86,304/188,664 = 188,664/x
  3. Step 3: Cross multiply
    86,304x = 188,664 × 188,664
  4. Step 4: Simplify right side
    86,304x = 35,594,104,896
  5. Step 5: Solve for x
    x = 35,594,104,896/86,304
  6. Step 6: Final answer
    x = 412,427.06

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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.