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Finding the Third Proportional to 18,761.63 and 26,388.28

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Solution

The third proportional to 18,761.63 and 26,388.28 is: 37,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761.63 : 26,388.28 = 26,388.28 : x
  2. Step 2: Convert to fraction form
    18,761.63/26,388.28 = 26,388.28/x
  3. Step 3: Cross multiply
    18,761.63x = 26,388.28 × 26,388.28
  4. Step 4: Simplify right side
    18,761.63x = 696,341,387.33
  5. Step 5: Solve for x
    x = 696,341,387.33/18,761.63
  6. Step 6: Final answer
    x = 37,115.20

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1.5x scale

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.