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Finding the Third Proportional to 1,715 and 3,588

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Solution

The third proportional to 1,715 and 3,588 is: 7,506.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715 : 3,588 = 3,588 : x
  2. Step 2: Convert to fraction form
    1,715/3,588 = 3,588/x
  3. Step 3: Cross multiply
    1,715x = 3,588 × 3,588
  4. Step 4: Simplify right side
    1,715x = 12,873,744
  5. Step 5: Solve for x
    x = 12,873,744/1,715
  6. Step 6: Final answer
    x = 7,506.56

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.