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Finding the Third Proportional to 1,581 and 3,433

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Solution

The third proportional to 1,581 and 3,433 is: 7,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581 : 3,433 = 3,433 : x
  2. Step 2: Convert to fraction form
    1,581/3,433 = 3,433/x
  3. Step 3: Cross multiply
    1,581x = 3,433 × 3,433
  4. Step 4: Simplify right side
    1,581x = 11,785,489
  5. Step 5: Solve for x
    x = 11,785,489/1,581
  6. Step 6: Final answer
    x = 7,454.45

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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.