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Finding the Third Proportional to 7,956,180 and 12,236,310

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Solution

The third proportional to 7,956,180 and 12,236,310 is: 18,818,991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956,180 : 12,236,310 = 12,236,310 : x
  2. Step 2: Convert to fraction form
    7,956,180/12,236,310 = 12,236,310/x
  3. Step 3: Cross multiply
    7,956,180x = 12,236,310 × 12,236,310
  4. Step 4: Simplify right side
    7,956,180x = 149,727,282,416,100
  5. Step 5: Solve for x
    x = 149,727,282,416,100/7,956,180
  6. Step 6: Final answer
    x = 18,818,991.33

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.