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Finding the Third Proportional to 57,719.25 and 120,021.75

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Solution

The third proportional to 57,719.25 and 120,021.75 is: 249,573.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,719.25 : 120,021.75 = 120,021.75 : x
  2. Step 2: Convert to fraction form
    57,719.25/120,021.75 = 120,021.75/x
  3. Step 3: Cross multiply
    57,719.25x = 120,021.75 × 120,021.75
  4. Step 4: Simplify right side
    57,719.25x = 14,405,220,473.06
  5. Step 5: Solve for x
    x = 14,405,220,473.06/57,719.25
  6. Step 6: Final answer
    x = 249,573.94

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.