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Finding the Third Proportional to 117,515.25 and 171,351

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Solution

The third proportional to 117,515.25 and 171,351 is: 249,849.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,515.25 : 171,351 = 171,351 : x
  2. Step 2: Convert to fraction form
    117,515.25/171,351 = 171,351/x
  3. Step 3: Cross multiply
    117,515.25x = 171,351 × 171,351
  4. Step 4: Simplify right side
    117,515.25x = 29,361,165,201
  5. Step 5: Solve for x
    x = 29,361,165,201/117,515.25
  6. Step 6: Final answer
    x = 249,849.83

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.