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Finding the Third Proportional to 5,582.81 and 12,161.81

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Solution

The third proportional to 5,582.81 and 12,161.81 is: 26,493.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.81 : 12,161.81 = 12,161.81 : x
  2. Step 2: Convert to fraction form
    5,582.81/12,161.81 = 12,161.81/x
  3. Step 3: Cross multiply
    5,582.81x = 12,161.81 × 12,161.81
  4. Step 4: Simplify right side
    5,582.81x = 147,909,683.29
  5. Step 5: Solve for x
    x = 147,909,683.29/5,582.81
  6. Step 6: Final answer
    x = 26,493.76

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.