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Finding the Third Proportional to 5,752 and 9,212

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Solution

The third proportional to 5,752 and 9,212 is: 14,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752 : 9,212 = 9,212 : x
  2. Step 2: Convert to fraction form
    5,752/9,212 = 9,212/x
  3. Step 3: Cross multiply
    5,752x = 9,212 × 9,212
  4. Step 4: Simplify right side
    5,752x = 84,860,944
  5. Step 5: Solve for x
    x = 84,860,944/5,752
  6. Step 6: Final answer
    x = 14,753.29

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.