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Finding the Third Proportional to 1,291,581 and 2,839,806

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Solution

The third proportional to 1,291,581 and 2,839,806 is: 6,243,896.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,581 : 2,839,806 = 2,839,806 : x
  2. Step 2: Convert to fraction form
    1,291,581/2,839,806 = 2,839,806/x
  3. Step 3: Cross multiply
    1,291,581x = 2,839,806 × 2,839,806
  4. Step 4: Simplify right side
    1,291,581x = 8,064,498,117,636
  5. Step 5: Solve for x
    x = 8,064,498,117,636/1,291,581
  6. Step 6: Final answer
    x = 6,243,896.52

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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.