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Finding the Third Proportional to 2,738,999 and 4,258,007

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Solution

The third proportional to 2,738,999 and 4,258,007 is: 6,619,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738,999 : 4,258,007 = 4,258,007 : x
  2. Step 2: Convert to fraction form
    2,738,999/4,258,007 = 4,258,007/x
  3. Step 3: Cross multiply
    2,738,999x = 4,258,007 × 4,258,007
  4. Step 4: Simplify right side
    2,738,999x = 18,130,623,612,049
  5. Step 5: Solve for x
    x = 18,130,623,612,049/2,738,999
  6. Step 6: Final answer
    x = 6,619,434.18

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.