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Finding the Third Proportional to 368,404.31 and 553,974.75

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Solution

The third proportional to 368,404.31 and 553,974.75 is: 833,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,404.31 : 553,974.75 = 553,974.75 : x
  2. Step 2: Convert to fraction form
    368,404.31/553,974.75 = 553,974.75/x
  3. Step 3: Cross multiply
    368,404.31x = 553,974.75 × 553,974.75
  4. Step 4: Simplify right side
    368,404.31x = 306,888,023,637.56
  5. Step 5: Solve for x
    x = 306,888,023,637.56/368,404.31
  6. Step 6: Final answer
    x = 833,019.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.