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Finding the Third Proportional to 4,065.19 and 4,649.91

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Solution

The third proportional to 4,065.19 and 4,649.91 is: 5,318.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.19 : 4,649.91 = 4,649.91 : x
  2. Step 2: Convert to fraction form
    4,065.19/4,649.91 = 4,649.91/x
  3. Step 3: Cross multiply
    4,065.19x = 4,649.91 × 4,649.91
  4. Step 4: Simplify right side
    4,065.19x = 21,621,628.13
  5. Step 5: Solve for x
    x = 21,621,628.13/4,065.19
  6. Step 6: Final answer
    x = 5,318.73

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.