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Finding the Third Proportional to 17,992,432 and 39,179,502

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Solution

The third proportional to 17,992,432 and 39,179,502 is: 85,315,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992,432 : 39,179,502 = 39,179,502 : x
  2. Step 2: Convert to fraction form
    17,992,432/39,179,502 = 39,179,502/x
  3. Step 3: Cross multiply
    17,992,432x = 39,179,502 × 39,179,502
  4. Step 4: Simplify right side
    17,992,432x = 1,535,033,376,968,004
  5. Step 5: Solve for x
    x = 1,535,033,376,968,004/17,992,432
  6. Step 6: Final answer
    x = 85,315,502.48

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.