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Finding the Third Proportional to 1,700 and 3,688

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Solution

The third proportional to 1,700 and 3,688 is: 8,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700 : 3,688 = 3,688 : x
  2. Step 2: Convert to fraction form
    1,700/3,688 = 3,688/x
  3. Step 3: Cross multiply
    1,700x = 3,688 × 3,688
  4. Step 4: Simplify right side
    1,700x = 13,601,344
  5. Step 5: Solve for x
    x = 13,601,344/1,700
  6. Step 6: Final answer
    x = 8,000.79

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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.