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Finding the Third Proportional to 117,115,108 and 254,391,156

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Solution

The third proportional to 117,115,108 and 254,391,156 is: 552,574,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,115,108 : 254,391,156 = 254,391,156 : x
  2. Step 2: Convert to fraction form
    117,115,108/254,391,156 = 254,391,156/x
  3. Step 3: Cross multiply
    117,115,108x = 254,391,156 × 254,391,156
  4. Step 4: Simplify right side
    117,115,108x = 64,714,860,251,016,336
  5. Step 5: Solve for x
    x = 64,714,860,251,016,336/117,115,108
  6. Step 6: Final answer
    x = 552,574,824.51

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.