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Finding the Third Proportional to 318,948 and 433,350

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Solution

The third proportional to 318,948 and 433,350 is: 588,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,948 : 433,350 = 433,350 : x
  2. Step 2: Convert to fraction form
    318,948/433,350 = 433,350/x
  3. Step 3: Cross multiply
    318,948x = 433,350 × 433,350
  4. Step 4: Simplify right side
    318,948x = 187,792,222,500
  5. Step 5: Solve for x
    x = 187,792,222,500/318,948
  6. Step 6: Final answer
    x = 588,786.33

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.