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Finding the Third Proportional to 140,514.75 and 214,269.75

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Solution

The third proportional to 140,514.75 and 214,269.75 is: 326,738.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,514.75 : 214,269.75 = 214,269.75 : x
  2. Step 2: Convert to fraction form
    140,514.75/214,269.75 = 214,269.75/x
  3. Step 3: Cross multiply
    140,514.75x = 214,269.75 × 214,269.75
  4. Step 4: Simplify right side
    140,514.75x = 45,911,525,765.06
  5. Step 5: Solve for x
    x = 45,911,525,765.06/140,514.75
  6. Step 6: Final answer
    x = 326,738.12

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.