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Finding the Third Proportional to 362,493 and 532,638

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Solution

The third proportional to 362,493 and 532,638 is: 782,644.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,493 : 532,638 = 532,638 : x
  2. Step 2: Convert to fraction form
    362,493/532,638 = 532,638/x
  3. Step 3: Cross multiply
    362,493x = 532,638 × 532,638
  4. Step 4: Simplify right side
    362,493x = 283,703,239,044
  5. Step 5: Solve for x
    x = 283,703,239,044/362,493
  6. Step 6: Final answer
    x = 782,644.74

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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.