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Finding the Third Proportional to 12,523 and 19,187

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Solution

The third proportional to 12,523 and 19,187 is: 29,397.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523 : 19,187 = 19,187 : x
  2. Step 2: Convert to fraction form
    12,523/19,187 = 19,187/x
  3. Step 3: Cross multiply
    12,523x = 19,187 × 19,187
  4. Step 4: Simplify right side
    12,523x = 368,140,969
  5. Step 5: Solve for x
    x = 368,140,969/12,523
  6. Step 6: Final answer
    x = 29,397.19

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.