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Finding the Third Proportional to 21,567 and 25,533

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Solution

The third proportional to 21,567 and 25,533 is: 30,228.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,567 : 25,533 = 25,533 : x
  2. Step 2: Convert to fraction form
    21,567/25,533 = 25,533/x
  3. Step 3: Cross multiply
    21,567x = 25,533 × 25,533
  4. Step 4: Simplify right side
    21,567x = 651,934,089
  5. Step 5: Solve for x
    x = 651,934,089/21,567
  6. Step 6: Final answer
    x = 30,228.32

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.