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Finding the Third Proportional to 86,967 and 124,071

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Solution

The third proportional to 86,967 and 124,071 is: 177,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,967 : 124,071 = 124,071 : x
  2. Step 2: Convert to fraction form
    86,967/124,071 = 124,071/x
  3. Step 3: Cross multiply
    86,967x = 124,071 × 124,071
  4. Step 4: Simplify right side
    86,967x = 15,393,613,041
  5. Step 5: Solve for x
    x = 15,393,613,041/86,967
  6. Step 6: Final answer
    x = 177,005.22

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.