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Finding the Third Proportional to 7,085 and 15,361

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Solution

The third proportional to 7,085 and 15,361 is: 33,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085 : 15,361 = 15,361 : x
  2. Step 2: Convert to fraction form
    7,085/15,361 = 15,361/x
  3. Step 3: Cross multiply
    7,085x = 15,361 × 15,361
  4. Step 4: Simplify right side
    7,085x = 235,960,321
  5. Step 5: Solve for x
    x = 235,960,321/7,085
  6. Step 6: Final answer
    x = 33,304.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.