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Finding the Third Proportional to 4,908 and 10,629.75

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Solution

The third proportional to 4,908 and 10,629.75 is: 23,021.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908 : 10,629.75 = 10,629.75 : x
  2. Step 2: Convert to fraction form
    4,908/10,629.75 = 10,629.75/x
  3. Step 3: Cross multiply
    4,908x = 10,629.75 × 10,629.75
  4. Step 4: Simplify right side
    4,908x = 112,991,585.06
  5. Step 5: Solve for x
    x = 112,991,585.06/4,908
  6. Step 6: Final answer
    x = 23,021.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.