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Finding the Third Proportional to 54,244 and 79,886

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Solution

The third proportional to 54,244 and 79,886 is: 117,649.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,244 : 79,886 = 79,886 : x
  2. Step 2: Convert to fraction form
    54,244/79,886 = 79,886/x
  3. Step 3: Cross multiply
    54,244x = 79,886 × 79,886
  4. Step 4: Simplify right side
    54,244x = 6,381,772,996
  5. Step 5: Solve for x
    x = 6,381,772,996/54,244
  6. Step 6: Final answer
    x = 117,649.38

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.