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Finding the Third Proportional to 7,727,980 and 11,355,672

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Solution

The third proportional to 7,727,980 and 11,355,672 is: 16,686,286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727,980 : 11,355,672 = 11,355,672 : x
  2. Step 2: Convert to fraction form
    7,727,980/11,355,672 = 11,355,672/x
  3. Step 3: Cross multiply
    7,727,980x = 11,355,672 × 11,355,672
  4. Step 4: Simplify right side
    7,727,980x = 128,951,286,571,584
  5. Step 5: Solve for x
    x = 128,951,286,571,584/7,727,980
  6. Step 6: Final answer
    x = 16,686,286.27

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.