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Finding the Third Proportional to 550,569 and 1,212,891

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Solution

The third proportional to 550,569 and 1,212,891 is: 2,671,971.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,569 : 1,212,891 = 1,212,891 : x
  2. Step 2: Convert to fraction form
    550,569/1,212,891 = 1,212,891/x
  3. Step 3: Cross multiply
    550,569x = 1,212,891 × 1,212,891
  4. Step 4: Simplify right side
    550,569x = 1,471,104,577,881
  5. Step 5: Solve for x
    x = 1,471,104,577,881/550,569
  6. Step 6: Final answer
    x = 2,671,971.32

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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.