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Finding the Third Proportional to 7,828,432 and 11,024,212

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Solution

The third proportional to 7,828,432 and 11,024,212 is: 15,524,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828,432 : 11,024,212 = 11,024,212 : x
  2. Step 2: Convert to fraction form
    7,828,432/11,024,212 = 11,024,212/x
  3. Step 3: Cross multiply
    7,828,432x = 11,024,212 × 11,024,212
  4. Step 4: Simplify right side
    7,828,432x = 121,533,250,220,944
  5. Step 5: Solve for x
    x = 121,533,250,220,944/7,828,432
  6. Step 6: Final answer
    x = 15,524,596.78

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.