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Finding the Third Proportional to 16,930 and 26,272.50

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Solution

The third proportional to 16,930 and 26,272.50 is: 40,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930 : 26,272.50 = 26,272.50 : x
  2. Step 2: Convert to fraction form
    16,930/26,272.50 = 26,272.50/x
  3. Step 3: Cross multiply
    16,930x = 26,272.50 × 26,272.50
  4. Step 4: Simplify right side
    16,930x = 690,244,256.25
  5. Step 5: Solve for x
    x = 690,244,256.25/16,930
  6. Step 6: Final answer
    x = 40,770.48

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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.