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Finding the Third Proportional to 488,236 and 731,874

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Solution

The third proportional to 488,236 and 731,874 is: 1,097,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,236 : 731,874 = 731,874 : x
  2. Step 2: Convert to fraction form
    488,236/731,874 = 731,874/x
  3. Step 3: Cross multiply
    488,236x = 731,874 × 731,874
  4. Step 4: Simplify right side
    488,236x = 535,639,551,876
  5. Step 5: Solve for x
    x = 535,639,551,876/488,236
  6. Step 6: Final answer
    x = 1,097,091.47

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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.