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Finding the Third Proportional to 1,656 and 2,576

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Solution

The third proportional to 1,656 and 2,576 is: 4,007.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656 : 2,576 = 2,576 : x
  2. Step 2: Convert to fraction form
    1,656/2,576 = 2,576/x
  3. Step 3: Cross multiply
    1,656x = 2,576 × 2,576
  4. Step 4: Simplify right side
    1,656x = 6,635,776
  5. Step 5: Solve for x
    x = 6,635,776/1,656
  6. Step 6: Final answer
    x = 4,007.11

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.