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Finding the Third Proportional to 2,309 and 4,755

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Solution

The third proportional to 2,309 and 4,755 is: 9,792.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309 : 4,755 = 4,755 : x
  2. Step 2: Convert to fraction form
    2,309/4,755 = 4,755/x
  3. Step 3: Cross multiply
    2,309x = 4,755 × 4,755
  4. Step 4: Simplify right side
    2,309x = 22,610,025
  5. Step 5: Solve for x
    x = 22,610,025/2,309
  6. Step 6: Final answer
    x = 9,792.13

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.