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Finding the Third Proportional to 9,620 and 14,739

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Solution

The third proportional to 9,620 and 14,739 is: 22,581.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620 : 14,739 = 14,739 : x
  2. Step 2: Convert to fraction form
    9,620/14,739 = 14,739/x
  3. Step 3: Cross multiply
    9,620x = 14,739 × 14,739
  4. Step 4: Simplify right side
    9,620x = 217,238,121
  5. Step 5: Solve for x
    x = 217,238,121/9,620
  6. Step 6: Final answer
    x = 22,581.93

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.