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Finding the Third Proportional to 1,540 and 3,333

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Solution

The third proportional to 1,540 and 3,333 is: 7,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540 : 3,333 = 3,333 : x
  2. Step 2: Convert to fraction form
    1,540/3,333 = 3,333/x
  3. Step 3: Cross multiply
    1,540x = 3,333 × 3,333
  4. Step 4: Simplify right side
    1,540x = 11,108,889
  5. Step 5: Solve for x
    x = 11,108,889/1,540
  6. Step 6: Final answer
    x = 7,213.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.