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Finding the Third Proportional to 3,021.25 and 4,666.75

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Solution

The third proportional to 3,021.25 and 4,666.75 is: 7,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.25 : 4,666.75 = 4,666.75 : x
  2. Step 2: Convert to fraction form
    3,021.25/4,666.75 = 4,666.75/x
  3. Step 3: Cross multiply
    3,021.25x = 4,666.75 × 4,666.75
  4. Step 4: Simplify right side
    3,021.25x = 21,778,555.56
  5. Step 5: Solve for x
    x = 21,778,555.56/3,021.25
  6. Step 6: Final answer
    x = 7,208.46

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.