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Finding the Third Proportional to 4,689 and 10,307

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Solution

The third proportional to 4,689 and 10,307 is: 22,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689 : 10,307 = 10,307 : x
  2. Step 2: Convert to fraction form
    4,689/10,307 = 10,307/x
  3. Step 3: Cross multiply
    4,689x = 10,307 × 10,307
  4. Step 4: Simplify right side
    4,689x = 106,234,249
  5. Step 5: Solve for x
    x = 106,234,249/4,689
  6. Step 6: Final answer
    x = 22,656.06

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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.