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Finding the Third Proportional to 7,076 and 8,669

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Solution

The third proportional to 7,076 and 8,669 is: 10,620.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076 : 8,669 = 8,669 : x
  2. Step 2: Convert to fraction form
    7,076/8,669 = 8,669/x
  3. Step 3: Cross multiply
    7,076x = 8,669 × 8,669
  4. Step 4: Simplify right side
    7,076x = 75,151,561
  5. Step 5: Solve for x
    x = 75,151,561/7,076
  6. Step 6: Final answer
    x = 10,620.63

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Why These Related Problems?

These problems maintain the same ratio (1.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.