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Finding the Third Proportional to 57,945 and 120,330.75

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Solution

The third proportional to 57,945 and 120,330.75 is: 249,883.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,945 : 120,330.75 = 120,330.75 : x
  2. Step 2: Convert to fraction form
    57,945/120,330.75 = 120,330.75/x
  3. Step 3: Cross multiply
    57,945x = 120,330.75 × 120,330.75
  4. Step 4: Simplify right side
    57,945x = 14,479,489,395.56
  5. Step 5: Solve for x
    x = 14,479,489,395.56/57,945
  6. Step 6: Final answer
    x = 249,883.33

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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.