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Finding the Third Proportional to 7,956,185 and 12,236,318

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Solution

The third proportional to 7,956,185 and 12,236,318 is: 18,819,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956,185 : 12,236,318 = 12,236,318 : x
  2. Step 2: Convert to fraction form
    7,956,185/12,236,318 = 12,236,318/x
  3. Step 3: Cross multiply
    7,956,185x = 12,236,318 × 12,236,318
  4. Step 4: Simplify right side
    7,956,185x = 149,727,478,197,124
  5. Step 5: Solve for x
    x = 149,727,478,197,124/7,956,185
  6. Step 6: Final answer
    x = 18,819,004.11

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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.