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Finding the Third Proportional to 118,212.75 and 162,641.25

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Solution

The third proportional to 118,212.75 and 162,641.25 is: 223,767.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,212.75 : 162,641.25 = 162,641.25 : x
  2. Step 2: Convert to fraction form
    118,212.75/162,641.25 = 162,641.25/x
  3. Step 3: Cross multiply
    118,212.75x = 162,641.25 × 162,641.25
  4. Step 4: Simplify right side
    118,212.75x = 26,452,176,201.56
  5. Step 5: Solve for x
    x = 26,452,176,201.56/118,212.75
  6. Step 6: Final answer
    x = 223,767.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.