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Finding the Third Proportional to 481,264 and 551,248

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Solution

The third proportional to 481,264 and 551,248 is: 631,408.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,264 : 551,248 = 551,248 : x
  2. Step 2: Convert to fraction form
    481,264/551,248 = 551,248/x
  3. Step 3: Cross multiply
    481,264x = 551,248 × 551,248
  4. Step 4: Simplify right side
    481,264x = 303,874,357,504
  5. Step 5: Solve for x
    x = 303,874,357,504/481,264
  6. Step 6: Final answer
    x = 631,408.87

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.