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Finding the Third Proportional to 1,214,085 and 2,622,690

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Solution

The third proportional to 1,214,085 and 2,622,690 is: 5,665,585.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,085 : 2,622,690 = 2,622,690 : x
  2. Step 2: Convert to fraction form
    1,214,085/2,622,690 = 2,622,690/x
  3. Step 3: Cross multiply
    1,214,085x = 2,622,690 × 2,622,690
  4. Step 4: Simplify right side
    1,214,085x = 6,878,502,836,100
  5. Step 5: Solve for x
    x = 6,878,502,836,100/1,214,085
  6. Step 6: Final answer
    x = 5,665,585.88

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.