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Finding the Third Proportional to 18,761.50 and 26,385

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Solution

The third proportional to 18,761.50 and 26,385 is: 37,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761.50 : 26,385 = 26,385 : x
  2. Step 2: Convert to fraction form
    18,761.50/26,385 = 26,385/x
  3. Step 3: Cross multiply
    18,761.50x = 26,385 × 26,385
  4. Step 4: Simplify right side
    18,761.50x = 696,168,225
  5. Step 5: Solve for x
    x = 696,168,225/18,761.50
  6. Step 6: Final answer
    x = 37,106.21

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.