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Finding the Third Proportional to 493,238 and 738,507

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Solution

The third proportional to 493,238 and 738,507 is: 1,105,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,238 : 738,507 = 738,507 : x
  2. Step 2: Convert to fraction form
    493,238/738,507 = 738,507/x
  3. Step 3: Cross multiply
    493,238x = 738,507 × 738,507
  4. Step 4: Simplify right side
    493,238x = 545,392,589,049
  5. Step 5: Solve for x
    x = 545,392,589,049/493,238
  6. Step 6: Final answer
    x = 1,105,739.19

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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.