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Finding the Third Proportional to 353,027.50 and 538,778.50

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Solution

The third proportional to 353,027.50 and 538,778.50 is: 822,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,027.50 : 538,778.50 = 538,778.50 : x
  2. Step 2: Convert to fraction form
    353,027.50/538,778.50 = 538,778.50/x
  3. Step 3: Cross multiply
    353,027.50x = 538,778.50 × 538,778.50
  4. Step 4: Simplify right side
    353,027.50x = 290,282,272,062.25
  5. Step 5: Solve for x
    x = 290,282,272,062.25/353,027.50
  6. Step 6: Final answer
    x = 822,265.33

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.