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Finding the Third Proportional to 13,475.25 and 19,287

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Solution

The third proportional to 13,475.25 and 19,287 is: 27,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.25 : 19,287 = 19,287 : x
  2. Step 2: Convert to fraction form
    13,475.25/19,287 = 19,287/x
  3. Step 3: Cross multiply
    13,475.25x = 19,287 × 19,287
  4. Step 4: Simplify right side
    13,475.25x = 371,988,369
  5. Step 5: Solve for x
    x = 371,988,369/13,475.25
  6. Step 6: Final answer
    x = 27,605.30

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.