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Finding the Third Proportional to 156,422,456 and 236,646,930

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Solution

The third proportional to 156,422,456 and 236,646,930 is: 358,016,175.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,422,456 : 236,646,930 = 236,646,930 : x
  2. Step 2: Convert to fraction form
    156,422,456/236,646,930 = 236,646,930/x
  3. Step 3: Cross multiply
    156,422,456x = 236,646,930 × 236,646,930
  4. Step 4: Simplify right side
    156,422,456x = 56,001,769,478,424,896
  5. Step 5: Solve for x
    x = 56,001,769,478,424,896/156,422,456
  6. Step 6: Final answer
    x = 358,016,175.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.