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Finding the Third Proportional to 3,886,767 and 8,538,750

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Solution

The third proportional to 3,886,767 and 8,538,750 is: 18,758,585.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,767 : 8,538,750 = 8,538,750 : x
  2. Step 2: Convert to fraction form
    3,886,767/8,538,750 = 8,538,750/x
  3. Step 3: Cross multiply
    3,886,767x = 8,538,750 × 8,538,750
  4. Step 4: Simplify right side
    3,886,767x = 72,910,251,562,500
  5. Step 5: Solve for x
    x = 72,910,251,562,500/3,886,767
  6. Step 6: Final answer
    x = 18,758,585.62

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.