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Finding the Third Proportional to 3,547 and 8,384

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Solution

The third proportional to 3,547 and 8,384 is: 19,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547 : 8,384 = 8,384 : x
  2. Step 2: Convert to fraction form
    3,547/8,384 = 8,384/x
  3. Step 3: Cross multiply
    3,547x = 8,384 × 8,384
  4. Step 4: Simplify right side
    3,547x = 70,291,456
  5. Step 5: Solve for x
    x = 70,291,456/3,547
  6. Step 6: Final answer
    x = 19,817.16

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.