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Finding the Third Proportional to 171,409.50 and 256,952.25

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Solution

The third proportional to 171,409.50 and 256,952.25 is: 385,185.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,409.50 : 256,952.25 = 256,952.25 : x
  2. Step 2: Convert to fraction form
    171,409.50/256,952.25 = 256,952.25/x
  3. Step 3: Cross multiply
    171,409.50x = 256,952.25 × 256,952.25
  4. Step 4: Simplify right side
    171,409.50x = 66,024,458,780.06
  5. Step 5: Solve for x
    x = 66,024,458,780.06/171,409.50
  6. Step 6: Final answer
    x = 385,185.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.