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Finding the Third Proportional to 67,553,244 and 136,986,247

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Solution

The third proportional to 67,553,244 and 136,986,247 is: 277,784,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,553,244 : 136,986,247 = 136,986,247 : x
  2. Step 2: Convert to fraction form
    67,553,244/136,986,247 = 136,986,247/x
  3. Step 3: Cross multiply
    67,553,244x = 136,986,247 × 136,986,247
  4. Step 4: Simplify right side
    67,553,244x = 18,765,231,867,145,008
  5. Step 5: Solve for x
    x = 18,765,231,867,145,008/67,553,244
  6. Step 6: Final answer
    x = 277,784,318.80

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.