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Finding the Third Proportional to 54,606 and 86,827

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Solution

The third proportional to 54,606 and 86,827 is: 138,060.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,606 : 86,827 = 86,827 : x
  2. Step 2: Convert to fraction form
    54,606/86,827 = 86,827/x
  3. Step 3: Cross multiply
    54,606x = 86,827 × 86,827
  4. Step 4: Simplify right side
    54,606x = 7,538,927,929
  5. Step 5: Solve for x
    x = 7,538,927,929/54,606
  6. Step 6: Final answer
    x = 138,060.43

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.