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Finding the Third Proportional to 3,619.69 and 4,946.06

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Solution

The third proportional to 3,619.69 and 4,946.06 is: 6,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.69 : 4,946.06 = 4,946.06 : x
  2. Step 2: Convert to fraction form
    3,619.69/4,946.06 = 4,946.06/x
  3. Step 3: Cross multiply
    3,619.69x = 4,946.06 × 4,946.06
  4. Step 4: Simplify right side
    3,619.69x = 24,463,534.25
  5. Step 5: Solve for x
    x = 24,463,534.25/3,619.69
  6. Step 6: Final answer
    x = 6,758.47

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.