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Finding the Third Proportional to 556,734 and 1,219,866

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Solution

The third proportional to 556,734 and 1,219,866 is: 2,672,861.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,734 : 1,219,866 = 1,219,866 : x
  2. Step 2: Convert to fraction form
    556,734/1,219,866 = 1,219,866/x
  3. Step 3: Cross multiply
    556,734x = 1,219,866 × 1,219,866
  4. Step 4: Simplify right side
    556,734x = 1,488,073,057,956
  5. Step 5: Solve for x
    x = 1,488,073,057,956/556,734
  6. Step 6: Final answer
    x = 2,672,861.83

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.