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Finding the Third Proportional to 266,620 and 374,982

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Solution

The third proportional to 266,620 and 374,982 is: 527,385.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,620 : 374,982 = 374,982 : x
  2. Step 2: Convert to fraction form
    266,620/374,982 = 374,982/x
  3. Step 3: Cross multiply
    266,620x = 374,982 × 374,982
  4. Step 4: Simplify right side
    266,620x = 140,611,500,324
  5. Step 5: Solve for x
    x = 140,611,500,324/266,620
  6. Step 6: Final answer
    x = 527,385.42

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.