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Finding the Third Proportional to 1,709 and 3,710

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Solution

The third proportional to 1,709 and 3,710 is: 8,053.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709 : 3,710 = 3,710 : x
  2. Step 2: Convert to fraction form
    1,709/3,710 = 3,710/x
  3. Step 3: Cross multiply
    1,709x = 3,710 × 3,710
  4. Step 4: Simplify right side
    1,709x = 13,764,100
  5. Step 5: Solve for x
    x = 13,764,100/1,709
  6. Step 6: Final answer
    x = 8,053.89

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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.