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Finding the Third Proportional to 2,958 and 4,629.75

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Solution

The third proportional to 2,958 and 4,629.75 is: 7,246.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958 : 4,629.75 = 4,629.75 : x
  2. Step 2: Convert to fraction form
    2,958/4,629.75 = 4,629.75/x
  3. Step 3: Cross multiply
    2,958x = 4,629.75 × 4,629.75
  4. Step 4: Simplify right side
    2,958x = 21,434,585.06
  5. Step 5: Solve for x
    x = 21,434,585.06/2,958
  6. Step 6: Final answer
    x = 7,246.31

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.