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Finding the Third Proportional to 64,696 and 102,876

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Solution

The third proportional to 64,696 and 102,876 is: 163,587.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,696 : 102,876 = 102,876 : x
  2. Step 2: Convert to fraction form
    64,696/102,876 = 102,876/x
  3. Step 3: Cross multiply
    64,696x = 102,876 × 102,876
  4. Step 4: Simplify right side
    64,696x = 10,583,471,376
  5. Step 5: Solve for x
    x = 10,583,471,376/64,696
  6. Step 6: Final answer
    x = 163,587.72

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.