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Finding the Third Proportional to 18,303,272 and 27,642,486.50

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Solution

The third proportional to 18,303,272 and 27,642,486.50 is: 41,747,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303,272 : 27,642,486.50 = 27,642,486.50 : x
  2. Step 2: Convert to fraction form
    18,303,272/27,642,486.50 = 27,642,486.50/x
  3. Step 3: Cross multiply
    18,303,272x = 27,642,486.50 × 27,642,486.50
  4. Step 4: Simplify right side
    18,303,272x = 764,107,059,902,682.25
  5. Step 5: Solve for x
    x = 764,107,059,902,682.25/18,303,272
  6. Step 6: Final answer
    x = 41,747,019.87

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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.