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Finding the Third Proportional to 15,261 and 16,341

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Solution

The third proportional to 15,261 and 16,341 is: 17,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,261 : 16,341 = 16,341 : x
  2. Step 2: Convert to fraction form
    15,261/16,341 = 16,341/x
  3. Step 3: Cross multiply
    15,261x = 16,341 × 16,341
  4. Step 4: Simplify right side
    15,261x = 267,028,281
  5. Step 5: Solve for x
    x = 267,028,281/15,261
  6. Step 6: Final answer
    x = 17,497.43

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Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.