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Finding the Third Proportional to 173,988 and 231,336

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Solution

The third proportional to 173,988 and 231,336 is: 307,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,988 : 231,336 = 231,336 : x
  2. Step 2: Convert to fraction form
    173,988/231,336 = 231,336/x
  3. Step 3: Cross multiply
    173,988x = 231,336 × 231,336
  4. Step 4: Simplify right side
    173,988x = 53,516,344,896
  5. Step 5: Solve for x
    x = 53,516,344,896/173,988
  6. Step 6: Final answer
    x = 307,586.41

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.