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Finding the Third Proportional to 3,705 and 8,106

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Solution

The third proportional to 3,705 and 8,106 is: 17,734.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705 : 8,106 = 8,106 : x
  2. Step 2: Convert to fraction form
    3,705/8,106 = 8,106/x
  3. Step 3: Cross multiply
    3,705x = 8,106 × 8,106
  4. Step 4: Simplify right side
    3,705x = 65,707,236
  5. Step 5: Solve for x
    x = 65,707,236/3,705
  6. Step 6: Final answer
    x = 17,734.75

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.