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Finding the Third Proportional to 20,508 and 26,208

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Solution

The third proportional to 20,508 and 26,208 is: 33,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,508 : 26,208 = 26,208 : x
  2. Step 2: Convert to fraction form
    20,508/26,208 = 26,208/x
  3. Step 3: Cross multiply
    20,508x = 26,208 × 26,208
  4. Step 4: Simplify right side
    20,508x = 686,859,264
  5. Step 5: Solve for x
    x = 686,859,264/20,508
  6. Step 6: Final answer
    x = 33,492.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.