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Finding the Third Proportional to 1,587 and 3,326

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Solution

The third proportional to 1,587 and 3,326 is: 6,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587 : 3,326 = 3,326 : x
  2. Step 2: Convert to fraction form
    1,587/3,326 = 3,326/x
  3. Step 3: Cross multiply
    1,587x = 3,326 × 3,326
  4. Step 4: Simplify right side
    1,587x = 11,062,276
  5. Step 5: Solve for x
    x = 11,062,276/1,587
  6. Step 6: Final answer
    x = 6,970.56

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.