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Finding the Third Proportional to 207,627.75 and 320,204.25

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Solution

The third proportional to 207,627.75 and 320,204.25 is: 493,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,627.75 : 320,204.25 = 320,204.25 : x
  2. Step 2: Convert to fraction form
    207,627.75/320,204.25 = 320,204.25/x
  3. Step 3: Cross multiply
    207,627.75x = 320,204.25 × 320,204.25
  4. Step 4: Simplify right side
    207,627.75x = 102,530,761,718.06
  5. Step 5: Solve for x
    x = 102,530,761,718.06/207,627.75
  6. Step 6: Final answer
    x = 493,820.13

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.