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Finding the Third Proportional to 305,084 and 461,568

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Solution

The third proportional to 305,084 and 461,568 is: 698,315.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,084 : 461,568 = 461,568 : x
  2. Step 2: Convert to fraction form
    305,084/461,568 = 461,568/x
  3. Step 3: Cross multiply
    305,084x = 461,568 × 461,568
  4. Step 4: Simplify right side
    305,084x = 213,045,018,624
  5. Step 5: Solve for x
    x = 213,045,018,624/305,084
  6. Step 6: Final answer
    x = 698,315.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.