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Finding the Third Proportional to 86,112 and 133,008

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Solution

The third proportional to 86,112 and 133,008 is: 205,443.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,112 : 133,008 = 133,008 : x
  2. Step 2: Convert to fraction form
    86,112/133,008 = 133,008/x
  3. Step 3: Cross multiply
    86,112x = 133,008 × 133,008
  4. Step 4: Simplify right side
    86,112x = 17,691,128,064
  5. Step 5: Solve for x
    x = 17,691,128,064/86,112
  6. Step 6: Final answer
    x = 205,443.24

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.