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Finding the Third Proportional to 282,367 and 424,175

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Solution

The third proportional to 282,367 and 424,175 is: 637,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,367 : 424,175 = 424,175 : x
  2. Step 2: Convert to fraction form
    282,367/424,175 = 424,175/x
  3. Step 3: Cross multiply
    282,367x = 424,175 × 424,175
  4. Step 4: Simplify right side
    282,367x = 179,924,430,625
  5. Step 5: Solve for x
    x = 179,924,430,625/282,367
  6. Step 6: Final answer
    x = 637,200.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.