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Finding the Third Proportional to 4,708 and 11,153

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Solution

The third proportional to 4,708 and 11,153 is: 26,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708 : 11,153 = 11,153 : x
  2. Step 2: Convert to fraction form
    4,708/11,153 = 11,153/x
  3. Step 3: Cross multiply
    4,708x = 11,153 × 11,153
  4. Step 4: Simplify right side
    4,708x = 124,389,409
  5. Step 5: Solve for x
    x = 124,389,409/4,708
  6. Step 6: Final answer
    x = 26,420.86

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.