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Finding the Third Proportional to 243,388.50 and 363,057.75

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Solution

The third proportional to 243,388.50 and 363,057.75 is: 541,565.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,388.50 : 363,057.75 = 363,057.75 : x
  2. Step 2: Convert to fraction form
    243,388.50/363,057.75 = 363,057.75/x
  3. Step 3: Cross multiply
    243,388.50x = 363,057.75 × 363,057.75
  4. Step 4: Simplify right side
    243,388.50x = 131,810,929,835.06
  5. Step 5: Solve for x
    x = 131,810,929,835.06/243,388.50
  6. Step 6: Final answer
    x = 541,565.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.