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Finding the Third Proportional to 362,422 and 771,500

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Solution

The third proportional to 362,422 and 771,500 is: 1,642,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,422 : 771,500 = 771,500 : x
  2. Step 2: Convert to fraction form
    362,422/771,500 = 771,500/x
  3. Step 3: Cross multiply
    362,422x = 771,500 × 771,500
  4. Step 4: Simplify right side
    362,422x = 595,212,250,000
  5. Step 5: Solve for x
    x = 595,212,250,000/362,422
  6. Step 6: Final answer
    x = 1,642,318.21

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.