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Finding the Third Proportional to 5,465.81 and 8,199.84

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Solution

The third proportional to 5,465.81 and 8,199.84 is: 12,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.81 : 8,199.84 = 8,199.84 : x
  2. Step 2: Convert to fraction form
    5,465.81/8,199.84 = 8,199.84/x
  3. Step 3: Cross multiply
    5,465.81x = 8,199.84 × 8,199.84
  4. Step 4: Simplify right side
    5,465.81x = 67,237,437.52
  5. Step 5: Solve for x
    x = 67,237,437.52/5,465.81
  6. Step 6: Final answer
    x = 12,301.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.