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Finding the Third Proportional to 4,911,458 and 10,331,919

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Solution

The third proportional to 4,911,458 and 10,331,919 is: 21,734,594.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911,458 : 10,331,919 = 10,331,919 : x
  2. Step 2: Convert to fraction form
    4,911,458/10,331,919 = 10,331,919/x
  3. Step 3: Cross multiply
    4,911,458x = 10,331,919 × 10,331,919
  4. Step 4: Simplify right side
    4,911,458x = 106,748,550,222,561
  5. Step 5: Solve for x
    x = 106,748,550,222,561/4,911,458
  6. Step 6: Final answer
    x = 21,734,594.95

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.