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Finding the Third Proportional to 72,633,618 and 156,741,512

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Solution

The third proportional to 72,633,618 and 156,741,512 is: 338,244,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,633,618 : 156,741,512 = 156,741,512 : x
  2. Step 2: Convert to fraction form
    72,633,618/156,741,512 = 156,741,512/x
  3. Step 3: Cross multiply
    72,633,618x = 156,741,512 × 156,741,512
  4. Step 4: Simplify right side
    72,633,618x = 24,567,901,584,046,144
  5. Step 5: Solve for x
    x = 24,567,901,584,046,144/72,633,618
  6. Step 6: Final answer
    x = 338,244,221.62

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.