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Finding the Third Proportional to 15,568 and 22,242

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Solution

The third proportional to 15,568 and 22,242 is: 31,777.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568 : 22,242 = 22,242 : x
  2. Step 2: Convert to fraction form
    15,568/22,242 = 22,242/x
  3. Step 3: Cross multiply
    15,568x = 22,242 × 22,242
  4. Step 4: Simplify right side
    15,568x = 494,706,564
  5. Step 5: Solve for x
    x = 494,706,564/15,568
  6. Step 6: Final answer
    x = 31,777.14

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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.