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Finding the Third Proportional to 3,553 and 5,342

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Solution

The third proportional to 3,553 and 5,342 is: 8,031.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553 : 5,342 = 5,342 : x
  2. Step 2: Convert to fraction form
    3,553/5,342 = 5,342/x
  3. Step 3: Cross multiply
    3,553x = 5,342 × 5,342
  4. Step 4: Simplify right side
    3,553x = 28,536,964
  5. Step 5: Solve for x
    x = 28,536,964/3,553
  6. Step 6: Final answer
    x = 8,031.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.