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Finding the Third Proportional to 16,815 and 26,019

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Solution

The third proportional to 16,815 and 26,019 is: 40,260.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815 : 26,019 = 26,019 : x
  2. Step 2: Convert to fraction form
    16,815/26,019 = 26,019/x
  3. Step 3: Cross multiply
    16,815x = 26,019 × 26,019
  4. Step 4: Simplify right side
    16,815x = 676,988,361
  5. Step 5: Solve for x
    x = 676,988,361/16,815
  6. Step 6: Final answer
    x = 40,260.98

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.