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Finding the Third Proportional to 18,105,255 and 38,799,243

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Solution

The third proportional to 18,105,255 and 38,799,243 is: 83,146,095.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105,255 : 38,799,243 = 38,799,243 : x
  2. Step 2: Convert to fraction form
    18,105,255/38,799,243 = 38,799,243/x
  3. Step 3: Cross multiply
    18,105,255x = 38,799,243 × 38,799,243
  4. Step 4: Simplify right side
    18,105,255x = 1,505,381,257,373,049
  5. Step 5: Solve for x
    x = 1,505,381,257,373,049/18,105,255
  6. Step 6: Final answer
    x = 83,146,095.28

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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.