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Finding the Third Proportional to 4,685 and 9,844

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Solution

The third proportional to 4,685 and 9,844 is: 20,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685 : 9,844 = 9,844 : x
  2. Step 2: Convert to fraction form
    4,685/9,844 = 9,844/x
  3. Step 3: Cross multiply
    4,685x = 9,844 × 9,844
  4. Step 4: Simplify right side
    4,685x = 96,904,336
  5. Step 5: Solve for x
    x = 96,904,336/4,685
  6. Step 6: Final answer
    x = 20,683.96

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.