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Finding the Third Proportional to 20,488 and 26,492

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Solution

The third proportional to 20,488 and 26,492 is: 34,255.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,488 : 26,492 = 26,492 : x
  2. Step 2: Convert to fraction form
    20,488/26,492 = 26,492/x
  3. Step 3: Cross multiply
    20,488x = 26,492 × 26,492
  4. Step 4: Simplify right side
    20,488x = 701,826,064
  5. Step 5: Solve for x
    x = 701,826,064/20,488
  6. Step 6: Final answer
    x = 34,255.47

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.