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Finding the Third Proportional to 281,494 and 606,728

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Solution

The third proportional to 281,494 and 606,728 is: 1,307,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,494 : 606,728 = 606,728 : x
  2. Step 2: Convert to fraction form
    281,494/606,728 = 606,728/x
  3. Step 3: Cross multiply
    281,494x = 606,728 × 606,728
  4. Step 4: Simplify right side
    281,494x = 368,118,865,984
  5. Step 5: Solve for x
    x = 368,118,865,984/281,494
  6. Step 6: Final answer
    x = 1,307,732.55

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.