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Finding the Third Proportional to 156,320,540 and 229,933,881

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Solution

The third proportional to 156,320,540 and 229,933,881 is: 338,212,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,320,540 : 229,933,881 = 229,933,881 : x
  2. Step 2: Convert to fraction form
    156,320,540/229,933,881 = 229,933,881/x
  3. Step 3: Cross multiply
    156,320,540x = 229,933,881 × 229,933,881
  4. Step 4: Simplify right side
    156,320,540x = 52,869,589,631,722,160
  5. Step 5: Solve for x
    x = 52,869,589,631,722,160/156,320,540
  6. Step 6: Final answer
    x = 338,212,685.50

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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.