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Finding the Third Proportional to 161,257.50 and 250,202.25

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Solution

The third proportional to 161,257.50 and 250,202.25 is: 388,206.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,257.50 : 250,202.25 = 250,202.25 : x
  2. Step 2: Convert to fraction form
    161,257.50/250,202.25 = 250,202.25/x
  3. Step 3: Cross multiply
    161,257.50x = 250,202.25 × 250,202.25
  4. Step 4: Simplify right side
    161,257.50x = 62,601,165,905.06
  5. Step 5: Solve for x
    x = 62,601,165,905.06/161,257.50
  6. Step 6: Final answer
    x = 388,206.23

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.