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Finding the Third Proportional to 7,170 and 15,364

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Solution

The third proportional to 7,170 and 15,364 is: 32,922.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170 : 15,364 = 15,364 : x
  2. Step 2: Convert to fraction form
    7,170/15,364 = 15,364/x
  3. Step 3: Cross multiply
    7,170x = 15,364 × 15,364
  4. Step 4: Simplify right side
    7,170x = 236,052,496
  5. Step 5: Solve for x
    x = 236,052,496/7,170
  6. Step 6: Final answer
    x = 32,922.24

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.