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Finding the Third Proportional to 15,768 and 26,279

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Solution

The third proportional to 15,768 and 26,279 is: 43,796.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768 : 26,279 = 26,279 : x
  2. Step 2: Convert to fraction form
    15,768/26,279 = 26,279/x
  3. Step 3: Cross multiply
    15,768x = 26,279 × 26,279
  4. Step 4: Simplify right side
    15,768x = 690,585,841
  5. Step 5: Solve for x
    x = 690,585,841/15,768
  6. Step 6: Final answer
    x = 43,796.67

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.