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Finding the Third Proportional to 5,422,542 and 11,685,540

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Solution

The third proportional to 5,422,542 and 11,685,540 is: 25,182,256.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422,542 : 11,685,540 = 11,685,540 : x
  2. Step 2: Convert to fraction form
    5,422,542/11,685,540 = 11,685,540/x
  3. Step 3: Cross multiply
    5,422,542x = 11,685,540 × 11,685,540
  4. Step 4: Simplify right side
    5,422,542x = 136,551,845,091,600
  5. Step 5: Solve for x
    x = 136,551,845,091,600/5,422,542
  6. Step 6: Final answer
    x = 25,182,256.79

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.