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Finding the Third Proportional to 20,145 and 26,508

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Solution

The third proportional to 20,145 and 26,508 is: 34,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,145 : 26,508 = 26,508 : x
  2. Step 2: Convert to fraction form
    20,145/26,508 = 26,508/x
  3. Step 3: Cross multiply
    20,145x = 26,508 × 26,508
  4. Step 4: Simplify right side
    20,145x = 702,674,064
  5. Step 5: Solve for x
    x = 702,674,064/20,145
  6. Step 6: Final answer
    x = 34,880.82

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.