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Finding the Third Proportional to 173,785 and 268,656

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Solution

The third proportional to 173,785 and 268,656 is: 415,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,785 : 268,656 = 268,656 : x
  2. Step 2: Convert to fraction form
    173,785/268,656 = 268,656/x
  3. Step 3: Cross multiply
    173,785x = 268,656 × 268,656
  4. Step 4: Simplify right side
    173,785x = 72,176,046,336
  5. Step 5: Solve for x
    x = 72,176,046,336/173,785
  6. Step 6: Final answer
    x = 415,318.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.