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Finding the Third Proportional to 13,455 and 29,563

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Solution

The third proportional to 13,455 and 29,563 is: 64,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455 : 29,563 = 29,563 : x
  2. Step 2: Convert to fraction form
    13,455/29,563 = 29,563/x
  3. Step 3: Cross multiply
    13,455x = 29,563 × 29,563
  4. Step 4: Simplify right side
    13,455x = 873,970,969
  5. Step 5: Solve for x
    x = 873,970,969/13,455
  6. Step 6: Final answer
    x = 64,955.11

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.