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Finding the Third Proportional to 55,555.88 and 79,388.44

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Solution

The third proportional to 55,555.88 and 79,388.44 is: 113,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,555.88 : 79,388.44 = 79,388.44 : x
  2. Step 2: Convert to fraction form
    55,555.88/79,388.44 = 79,388.44/x
  3. Step 3: Cross multiply
    55,555.88x = 79,388.44 × 79,388.44
  4. Step 4: Simplify right side
    55,555.88x = 6,302,524,008.69
  5. Step 5: Solve for x
    x = 6,302,524,008.69/55,555.88
  6. Step 6: Final answer
    x = 113,444.78

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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.