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Finding the Third Proportional to 12,845.81 and 19,269

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Solution

The third proportional to 12,845.81 and 19,269 is: 28,903.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.81 : 19,269 = 19,269 : x
  2. Step 2: Convert to fraction form
    12,845.81/19,269 = 19,269/x
  3. Step 3: Cross multiply
    12,845.81x = 19,269 × 19,269
  4. Step 4: Simplify right side
    12,845.81x = 371,294,361
  5. Step 5: Solve for x
    x = 371,294,361/12,845.81
  6. Step 6: Final answer
    x = 28,903.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.