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Finding the Third Proportional to 6,240 and 13,952

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Solution

The third proportional to 6,240 and 13,952 is: 31,195.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240 : 13,952 = 13,952 : x
  2. Step 2: Convert to fraction form
    6,240/13,952 = 13,952/x
  3. Step 3: Cross multiply
    6,240x = 13,952 × 13,952
  4. Step 4: Simplify right side
    6,240x = 194,658,304
  5. Step 5: Solve for x
    x = 194,658,304/6,240
  6. Step 6: Final answer
    x = 31,195.24

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Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.