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Finding the Third Proportional to 161,790.75 and 250,256.25

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Solution

The third proportional to 161,790.75 and 250,256.25 is: 387,093.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,790.75 : 250,256.25 = 250,256.25 : x
  2. Step 2: Convert to fraction form
    161,790.75/250,256.25 = 250,256.25/x
  3. Step 3: Cross multiply
    161,790.75x = 250,256.25 × 250,256.25
  4. Step 4: Simplify right side
    161,790.75x = 62,628,190,664.06
  5. Step 5: Solve for x
    x = 62,628,190,664.06/161,790.75
  6. Step 6: Final answer
    x = 387,093.77

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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.