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Finding the Third Proportional to 19,311 and 26,091

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Solution

The third proportional to 19,311 and 26,091 is: 35,251.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311 : 26,091 = 26,091 : x
  2. Step 2: Convert to fraction form
    19,311/26,091 = 26,091/x
  3. Step 3: Cross multiply
    19,311x = 26,091 × 26,091
  4. Step 4: Simplify right side
    19,311x = 680,740,281
  5. Step 5: Solve for x
    x = 680,740,281/19,311
  6. Step 6: Final answer
    x = 35,251.43

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.