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Finding the Third Proportional to 84,215,274 and 126,944,991

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Solution

The third proportional to 84,215,274 and 126,944,991 is: 191,355,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,215,274 : 126,944,991 = 126,944,991 : x
  2. Step 2: Convert to fraction form
    84,215,274/126,944,991 = 126,944,991/x
  3. Step 3: Cross multiply
    84,215,274x = 126,944,991 × 126,944,991
  4. Step 4: Simplify right side
    84,215,274x = 16,115,030,739,990,080
  5. Step 5: Solve for x
    x = 16,115,030,739,990,080/84,215,274
  6. Step 6: Final answer
    x = 191,355,201.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.