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Finding the Third Proportional to 7,834 and 15,794

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Solution

The third proportional to 7,834 and 15,794 is: 31,842.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834 : 15,794 = 15,794 : x
  2. Step 2: Convert to fraction form
    7,834/15,794 = 15,794/x
  3. Step 3: Cross multiply
    7,834x = 15,794 × 15,794
  4. Step 4: Simplify right side
    7,834x = 249,450,436
  5. Step 5: Solve for x
    x = 249,450,436/7,834
  6. Step 6: Final answer
    x = 31,842.03

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.