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Finding the Third Proportional to 7,470 and 17,676

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Solution

The third proportional to 7,470 and 17,676 is: 41,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470 : 17,676 = 17,676 : x
  2. Step 2: Convert to fraction form
    7,470/17,676 = 17,676/x
  3. Step 3: Cross multiply
    7,470x = 17,676 × 17,676
  4. Step 4: Simplify right side
    7,470x = 312,440,976
  5. Step 5: Solve for x
    x = 312,440,976/7,470
  6. Step 6: Final answer
    x = 41,826.10

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.