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Finding the Third Proportional to 161,797.50 and 253,257.75

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Solution

The third proportional to 161,797.50 and 253,257.75 is: 396,418.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,797.50 : 253,257.75 = 253,257.75 : x
  2. Step 2: Convert to fraction form
    161,797.50/253,257.75 = 253,257.75/x
  3. Step 3: Cross multiply
    161,797.50x = 253,257.75 × 253,257.75
  4. Step 4: Simplify right side
    161,797.50x = 64,139,487,935.06
  5. Step 5: Solve for x
    x = 64,139,487,935.06/161,797.50
  6. Step 6: Final answer
    x = 396,418.29

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.