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Finding the Third Proportional to 4,917,564 and 10,077,912

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Solution

The third proportional to 4,917,564 and 10,077,912 is: 20,653,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917,564 : 10,077,912 = 10,077,912 : x
  2. Step 2: Convert to fraction form
    4,917,564/10,077,912 = 10,077,912/x
  3. Step 3: Cross multiply
    4,917,564x = 10,077,912 × 10,077,912
  4. Step 4: Simplify right side
    4,917,564x = 101,564,310,279,744
  5. Step 5: Solve for x
    x = 101,564,310,279,744/4,917,564
  6. Step 6: Final answer
    x = 20,653,378.44

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.