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Finding the Third Proportional to 26,688 and 41,865

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Solution

The third proportional to 26,688 and 41,865 is: 65,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,688 : 41,865 = 41,865 : x
  2. Step 2: Convert to fraction form
    26,688/41,865 = 41,865/x
  3. Step 3: Cross multiply
    26,688x = 41,865 × 41,865
  4. Step 4: Simplify right side
    26,688x = 1,752,678,225
  5. Step 5: Solve for x
    x = 1,752,678,225/26,688
  6. Step 6: Final answer
    x = 65,672.90

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.