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Finding the Third Proportional to 72,195,586 and 155,899,975

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Solution

The third proportional to 72,195,586 and 155,899,975 is: 336,652,190.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,195,586 : 155,899,975 = 155,899,975 : x
  2. Step 2: Convert to fraction form
    72,195,586/155,899,975 = 155,899,975/x
  3. Step 3: Cross multiply
    72,195,586x = 155,899,975 × 155,899,975
  4. Step 4: Simplify right side
    72,195,586x = 24,304,802,205,000,624
  5. Step 5: Solve for x
    x = 24,304,802,205,000,624/72,195,586
  6. Step 6: Final answer
    x = 336,652,190.97

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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.