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Finding the Third Proportional to 55,540.69 and 79,367.63

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Solution

The third proportional to 55,540.69 and 79,367.63 is: 113,416.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,540.69 : 79,367.63 = 79,367.63 : x
  2. Step 2: Convert to fraction form
    55,540.69/79,367.63 = 79,367.63/x
  3. Step 3: Cross multiply
    55,540.69x = 79,367.63 × 79,367.63
  4. Step 4: Simplify right side
    55,540.69x = 6,299,219,898.14
  5. Step 5: Solve for x
    x = 6,299,219,898.14/55,540.69
  6. Step 6: Final answer
    x = 113,416.31

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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.