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Finding the Third Proportional to 1,702 and 3,690

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Solution

The third proportional to 1,702 and 3,690 is: 8,000.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702 : 3,690 = 3,690 : x
  2. Step 2: Convert to fraction form
    1,702/3,690 = 3,690/x
  3. Step 3: Cross multiply
    1,702x = 3,690 × 3,690
  4. Step 4: Simplify right side
    1,702x = 13,616,100
  5. Step 5: Solve for x
    x = 13,616,100/1,702
  6. Step 6: Final answer
    x = 8,000.06

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.