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Finding the Third Proportional to 18,211,270.50 and 39,018,672

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Solution

The third proportional to 18,211,270.50 and 39,018,672 is: 83,599,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211,270.50 : 39,018,672 = 39,018,672 : x
  2. Step 2: Convert to fraction form
    18,211,270.50/39,018,672 = 39,018,672/x
  3. Step 3: Cross multiply
    18,211,270.50x = 39,018,672 × 39,018,672
  4. Step 4: Simplify right side
    18,211,270.50x = 1,522,456,764,643,584
  5. Step 5: Solve for x
    x = 1,522,456,764,643,584/18,211,270.50
  6. Step 6: Final answer
    x = 83,599,700.78

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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.