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Finding the Third Proportional to 1,548 and 3,342

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Solution

The third proportional to 1,548 and 3,342 is: 7,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548 : 3,342 = 3,342 : x
  2. Step 2: Convert to fraction form
    1,548/3,342 = 3,342/x
  3. Step 3: Cross multiply
    1,548x = 3,342 × 3,342
  4. Step 4: Simplify right side
    1,548x = 11,168,964
  5. Step 5: Solve for x
    x = 11,168,964/1,548
  6. Step 6: Final answer
    x = 7,215.09

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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.