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Finding the Third Proportional to 118,140.75 and 259,246.69

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Solution

The third proportional to 118,140.75 and 259,246.69 is: 568,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,140.75 : 259,246.69 = 259,246.69 : x
  2. Step 2: Convert to fraction form
    118,140.75/259,246.69 = 259,246.69/x
  3. Step 3: Cross multiply
    118,140.75x = 259,246.69 × 259,246.69
  4. Step 4: Simplify right side
    118,140.75x = 67,208,844,979.72
  5. Step 5: Solve for x
    x = 67,208,844,979.72/118,140.75
  6. Step 6: Final answer
    x = 568,887.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.