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Finding the Third Proportional to 7,004 and 8,219

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Solution

The third proportional to 7,004 and 8,219 is: 9,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004 : 8,219 = 8,219 : x
  2. Step 2: Convert to fraction form
    7,004/8,219 = 8,219/x
  3. Step 3: Cross multiply
    7,004x = 8,219 × 8,219
  4. Step 4: Simplify right side
    7,004x = 67,551,961
  5. Step 5: Solve for x
    x = 67,551,961/7,004
  6. Step 6: Final answer
    x = 9,644.77

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.