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Finding the Third Proportional to 55,741.50 and 79,845

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Solution

The third proportional to 55,741.50 and 79,845 is: 114,371.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,741.50 : 79,845 = 79,845 : x
  2. Step 2: Convert to fraction form
    55,741.50/79,845 = 79,845/x
  3. Step 3: Cross multiply
    55,741.50x = 79,845 × 79,845
  4. Step 4: Simplify right side
    55,741.50x = 6,375,224,025
  5. Step 5: Solve for x
    x = 6,375,224,025/55,741.50
  6. Step 6: Final answer
    x = 114,371.23

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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.