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Finding the Third Proportional to 3,086.02 and 4,785.75

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Solution

The third proportional to 3,086.02 and 4,785.75 is: 7,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.02 : 4,785.75 = 4,785.75 : x
  2. Step 2: Convert to fraction form
    3,086.02/4,785.75 = 4,785.75/x
  3. Step 3: Cross multiply
    3,086.02x = 4,785.75 × 4,785.75
  4. Step 4: Simplify right side
    3,086.02x = 22,903,403.06
  5. Step 5: Solve for x
    x = 22,903,403.06/3,086.02
  6. Step 6: Final answer
    x = 7,421.67

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.