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Finding the Third Proportional to 515,548 and 1,131,956

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Solution

The third proportional to 515,548 and 1,131,956 is: 2,485,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,548 : 1,131,956 = 1,131,956 : x
  2. Step 2: Convert to fraction form
    515,548/1,131,956 = 1,131,956/x
  3. Step 3: Cross multiply
    515,548x = 1,131,956 × 1,131,956
  4. Step 4: Simplify right side
    515,548x = 1,281,324,385,936
  5. Step 5: Solve for x
    x = 1,281,324,385,936/515,548
  6. Step 6: Final answer
    x = 2,485,363.90

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.