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Finding the Third Proportional to 17,445 and 26,691

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Solution

The third proportional to 17,445 and 26,691 is: 40,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,445 : 26,691 = 26,691 : x
  2. Step 2: Convert to fraction form
    17,445/26,691 = 26,691/x
  3. Step 3: Cross multiply
    17,445x = 26,691 × 26,691
  4. Step 4: Simplify right side
    17,445x = 712,409,481
  5. Step 5: Solve for x
    x = 712,409,481/17,445
  6. Step 6: Final answer
    x = 40,837.46

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.