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Finding the Third Proportional to 3,547 and 7,793

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Solution

The third proportional to 3,547 and 7,793 is: 17,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547 : 7,793 = 7,793 : x
  2. Step 2: Convert to fraction form
    3,547/7,793 = 7,793/x
  3. Step 3: Cross multiply
    3,547x = 7,793 × 7,793
  4. Step 4: Simplify right side
    3,547x = 60,730,849
  5. Step 5: Solve for x
    x = 60,730,849/3,547
  6. Step 6: Final answer
    x = 17,121.75

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.