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Finding the Third Proportional to 4,017.09 and 5,330.81

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Solution

The third proportional to 4,017.09 and 5,330.81 is: 7,074.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,017.09 : 5,330.81 = 5,330.81 : x
  2. Step 2: Convert to fraction form
    4,017.09/5,330.81 = 5,330.81/x
  3. Step 3: Cross multiply
    4,017.09x = 5,330.81 × 5,330.81
  4. Step 4: Simplify right side
    4,017.09x = 28,417,561.91
  5. Step 5: Solve for x
    x = 28,417,561.91/4,017.09
  6. Step 6: Final answer
    x = 7,074.16

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.