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Finding the Third Proportional to 15,836 and 17,294

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Solution

The third proportional to 15,836 and 17,294 is: 18,886.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,836 : 17,294 = 17,294 : x
  2. Step 2: Convert to fraction form
    15,836/17,294 = 17,294/x
  3. Step 3: Cross multiply
    15,836x = 17,294 × 17,294
  4. Step 4: Simplify right side
    15,836x = 299,082,436
  5. Step 5: Solve for x
    x = 299,082,436/15,836
  6. Step 6: Final answer
    x = 18,886.24

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.