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Finding the Third Proportional to 7,778,132 and 11,203,910

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Solution

The third proportional to 7,778,132 and 11,203,910 is: 16,138,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778,132 : 11,203,910 = 11,203,910 : x
  2. Step 2: Convert to fraction form
    7,778,132/11,203,910 = 11,203,910/x
  3. Step 3: Cross multiply
    7,778,132x = 11,203,910 × 11,203,910
  4. Step 4: Simplify right side
    7,778,132x = 125,527,599,288,100
  5. Step 5: Solve for x
    x = 125,527,599,288,100/7,778,132
  6. Step 6: Final answer
    x = 16,138,527.77

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.