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Finding the Third Proportional to 2,919,651 and 6,389,151

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Solution

The third proportional to 2,919,651 and 6,389,151 is: 13,981,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,651 : 6,389,151 = 6,389,151 : x
  2. Step 2: Convert to fraction form
    2,919,651/6,389,151 = 6,389,151/x
  3. Step 3: Cross multiply
    2,919,651x = 6,389,151 × 6,389,151
  4. Step 4: Simplify right side
    2,919,651x = 40,821,250,500,801
  5. Step 5: Solve for x
    x = 40,821,250,500,801/2,919,651
  6. Step 6: Final answer
    x = 13,981,551.39

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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.