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Finding the Third Proportional to 291,568 and 476,104

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Solution

The third proportional to 291,568 and 476,104 is: 777,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,568 : 476,104 = 476,104 : x
  2. Step 2: Convert to fraction form
    291,568/476,104 = 476,104/x
  3. Step 3: Cross multiply
    291,568x = 476,104 × 476,104
  4. Step 4: Simplify right side
    291,568x = 226,675,018,816
  5. Step 5: Solve for x
    x = 226,675,018,816/291,568
  6. Step 6: Final answer
    x = 777,434.49

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.