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Finding the Third Proportional to 19,170 and 22,248

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Solution

The third proportional to 19,170 and 22,248 is: 25,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170 : 22,248 = 22,248 : x
  2. Step 2: Convert to fraction form
    19,170/22,248 = 22,248/x
  3. Step 3: Cross multiply
    19,170x = 22,248 × 22,248
  4. Step 4: Simplify right side
    19,170x = 494,973,504
  5. Step 5: Solve for x
    x = 494,973,504/19,170
  6. Step 6: Final answer
    x = 25,820.21

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.