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Finding the Third Proportional to 18,192,984 and 39,804,168

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Solution

The third proportional to 18,192,984 and 39,804,168 is: 87,086,966.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192,984 : 39,804,168 = 39,804,168 : x
  2. Step 2: Convert to fraction form
    18,192,984/39,804,168 = 39,804,168/x
  3. Step 3: Cross multiply
    18,192,984x = 39,804,168 × 39,804,168
  4. Step 4: Simplify right side
    18,192,984x = 1,584,371,790,172,224
  5. Step 5: Solve for x
    x = 1,584,371,790,172,224/18,192,984
  6. Step 6: Final answer
    x = 87,086,966.61

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.