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Finding the Third Proportional to 4,606.88 and 5,619.38

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Solution

The third proportional to 4,606.88 and 5,619.38 is: 6,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,606.88 : 5,619.38 = 5,619.38 : x
  2. Step 2: Convert to fraction form
    4,606.88/5,619.38 = 5,619.38/x
  3. Step 3: Cross multiply
    4,606.88x = 5,619.38 × 5,619.38
  4. Step 4: Simplify right side
    4,606.88x = 31,577,375.39
  5. Step 5: Solve for x
    x = 31,577,375.39/4,606.88
  6. Step 6: Final answer
    x = 6,854.40

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.