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Finding the Third Proportional to 156,309,636 and 239,106,246

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Solution

The third proportional to 156,309,636 and 239,106,246 is: 365,759,900.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,309,636 : 239,106,246 = 239,106,246 : x
  2. Step 2: Convert to fraction form
    156,309,636/239,106,246 = 239,106,246/x
  3. Step 3: Cross multiply
    156,309,636x = 239,106,246 × 239,106,246
  4. Step 4: Simplify right side
    156,309,636x = 57,171,796,876,212,512
  5. Step 5: Solve for x
    x = 57,171,796,876,212,512/156,309,636
  6. Step 6: Final answer
    x = 365,759,900.28

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.