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Finding the Third Proportional to 12,555 and 17,848.13

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Solution

The third proportional to 12,555 and 17,848.13 is: 25,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555 : 17,848.13 = 17,848.13 : x
  2. Step 2: Convert to fraction form
    12,555/17,848.13 = 17,848.13/x
  3. Step 3: Cross multiply
    12,555x = 17,848.13 × 17,848.13
  4. Step 4: Simplify right side
    12,555x = 318,555,566.02
  5. Step 5: Solve for x
    x = 318,555,566.02/12,555
  6. Step 6: Final answer
    x = 25,372.80

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.