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Finding the Third Proportional to 8,729,192.25 and 18,969,318

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Solution

The third proportional to 8,729,192.25 and 18,969,318 is: 41,222,030.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,192.25 : 18,969,318 = 18,969,318 : x
  2. Step 2: Convert to fraction form
    8,729,192.25/18,969,318 = 18,969,318/x
  3. Step 3: Cross multiply
    8,729,192.25x = 18,969,318 × 18,969,318
  4. Step 4: Simplify right side
    8,729,192.25x = 359,835,025,385,124
  5. Step 5: Solve for x
    x = 359,835,025,385,124/8,729,192.25
  6. Step 6: Final answer
    x = 41,222,030.07

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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.