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Finding the Third Proportional to 225,619 and 338,476

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Solution

The third proportional to 225,619 and 338,476 is: 507,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,619 : 338,476 = 338,476 : x
  2. Step 2: Convert to fraction form
    225,619/338,476 = 338,476/x
  3. Step 3: Cross multiply
    225,619x = 338,476 × 338,476
  4. Step 4: Simplify right side
    225,619x = 114,566,002,576
  5. Step 5: Solve for x
    x = 114,566,002,576/225,619
  6. Step 6: Final answer
    x = 507,785.26

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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.