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Finding the Third Proportional to 7,839 and 14,952

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Solution

The third proportional to 7,839 and 14,952 is: 28,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839 : 14,952 = 14,952 : x
  2. Step 2: Convert to fraction form
    7,839/14,952 = 14,952/x
  3. Step 3: Cross multiply
    7,839x = 14,952 × 14,952
  4. Step 4: Simplify right side
    7,839x = 223,562,304
  5. Step 5: Solve for x
    x = 223,562,304/7,839
  6. Step 6: Final answer
    x = 28,519.24

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.