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Finding the Third Proportional to 4,889 and 6,923

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Solution

The third proportional to 4,889 and 6,923 is: 9,803.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889 : 6,923 = 6,923 : x
  2. Step 2: Convert to fraction form
    4,889/6,923 = 6,923/x
  3. Step 3: Cross multiply
    4,889x = 6,923 × 6,923
  4. Step 4: Simplify right side
    4,889x = 47,927,929
  5. Step 5: Solve for x
    x = 47,927,929/4,889
  6. Step 6: Final answer
    x = 9,803.22

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.