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Finding the Third Proportional to 3,020.34 and 4,620.66

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Solution

The third proportional to 3,020.34 and 4,620.66 is: 7,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.34 : 4,620.66 = 4,620.66 : x
  2. Step 2: Convert to fraction form
    3,020.34/4,620.66 = 4,620.66/x
  3. Step 3: Cross multiply
    3,020.34x = 4,620.66 × 4,620.66
  4. Step 4: Simplify right side
    3,020.34x = 21,350,464.18
  5. Step 5: Solve for x
    x = 21,350,464.18/3,020.34
  6. Step 6: Final answer
    x = 7,068.89

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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.