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Finding the Third Proportional to 156,079,872 and 343,058,157

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Solution

The third proportional to 156,079,872 and 343,058,157 is: 754,029,956.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,079,872 : 343,058,157 = 343,058,157 : x
  2. Step 2: Convert to fraction form
    156,079,872/343,058,157 = 343,058,157/x
  3. Step 3: Cross multiply
    156,079,872x = 343,058,157 × 343,058,157
  4. Step 4: Simplify right side
    156,079,872x = 117,688,899,084,236,656
  5. Step 5: Solve for x
    x = 117,688,899,084,236,656/156,079,872
  6. Step 6: Final answer
    x = 754,029,956.43

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.