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Finding the Third Proportional to 6,478,212 and 14,176,777

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Solution

The third proportional to 6,478,212 and 14,176,777 is: 31,024,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478,212 : 14,176,777 = 14,176,777 : x
  2. Step 2: Convert to fraction form
    6,478,212/14,176,777 = 14,176,777/x
  3. Step 3: Cross multiply
    6,478,212x = 14,176,777 × 14,176,777
  4. Step 4: Simplify right side
    6,478,212x = 200,981,006,107,729
  5. Step 5: Solve for x
    x = 200,981,006,107,729/6,478,212
  6. Step 6: Final answer
    x = 31,024,147.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.