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Finding the Third Proportional to 3,943.69 and 6,130.69

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Solution

The third proportional to 3,943.69 and 6,130.69 is: 9,530.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.69 : 6,130.69 = 6,130.69 : x
  2. Step 2: Convert to fraction form
    3,943.69/6,130.69 = 6,130.69/x
  3. Step 3: Cross multiply
    3,943.69x = 6,130.69 × 6,130.69
  4. Step 4: Simplify right side
    3,943.69x = 37,585,329.22
  5. Step 5: Solve for x
    x = 37,585,329.22/3,943.69
  6. Step 6: Final answer
    x = 9,530.50

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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.