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Finding the Third Proportional to 79,988 and 173,224

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Solution

The third proportional to 79,988 and 173,224 is: 375,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,988 : 173,224 = 173,224 : x
  2. Step 2: Convert to fraction form
    79,988/173,224 = 173,224/x
  3. Step 3: Cross multiply
    79,988x = 173,224 × 173,224
  4. Step 4: Simplify right side
    79,988x = 30,006,554,176
  5. Step 5: Solve for x
    x = 30,006,554,176/79,988
  6. Step 6: Final answer
    x = 375,138.20

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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.