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Finding the Third Proportional to 18,105,257 and 38,799,247

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Solution

The third proportional to 18,105,257 and 38,799,247 is: 83,146,103.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105,257 : 38,799,247 = 38,799,247 : x
  2. Step 2: Convert to fraction form
    18,105,257/38,799,247 = 38,799,247/x
  3. Step 3: Cross multiply
    18,105,257x = 38,799,247 × 38,799,247
  4. Step 4: Simplify right side
    18,105,257x = 1,505,381,567,767,009
  5. Step 5: Solve for x
    x = 1,505,381,567,767,009/18,105,257
  6. Step 6: Final answer
    x = 83,146,103.24

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.