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Finding the Third Proportional to 323,568 and 474,768

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Solution

The third proportional to 323,568 and 474,768 is: 696,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,568 : 474,768 = 474,768 : x
  2. Step 2: Convert to fraction form
    323,568/474,768 = 474,768/x
  3. Step 3: Cross multiply
    323,568x = 474,768 × 474,768
  4. Step 4: Simplify right side
    323,568x = 225,404,653,824
  5. Step 5: Solve for x
    x = 225,404,653,824/323,568
  6. Step 6: Final answer
    x = 696,622.21

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.