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Finding the Third Proportional to 2,638,230.75 and 5,781,476.25

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Solution

The third proportional to 2,638,230.75 and 5,781,476.25 is: 12,669,652.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,230.75 : 5,781,476.25 = 5,781,476.25 : x
  2. Step 2: Convert to fraction form
    2,638,230.75/5,781,476.25 = 5,781,476.25/x
  3. Step 3: Cross multiply
    2,638,230.75x = 5,781,476.25 × 5,781,476.25
  4. Step 4: Simplify right side
    2,638,230.75x = 33,425,467,629,314.06
  5. Step 5: Solve for x
    x = 33,425,467,629,314.06/2,638,230.75
  6. Step 6: Final answer
    x = 12,669,652.81

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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.