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Finding the Third Proportional to 12,048 and 15,842

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Solution

The third proportional to 12,048 and 15,842 is: 20,830.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048 : 15,842 = 15,842 : x
  2. Step 2: Convert to fraction form
    12,048/15,842 = 15,842/x
  3. Step 3: Cross multiply
    12,048x = 15,842 × 15,842
  4. Step 4: Simplify right side
    12,048x = 250,968,964
  5. Step 5: Solve for x
    x = 250,968,964/12,048
  6. Step 6: Final answer
    x = 20,830.76

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.