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Finding the Third Proportional to 8,913.38 and 19,166.63

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Solution

The third proportional to 8,913.38 and 19,166.63 is: 41,214.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.38 : 19,166.63 = 19,166.63 : x
  2. Step 2: Convert to fraction form
    8,913.38/19,166.63 = 19,166.63/x
  3. Step 3: Cross multiply
    8,913.38x = 19,166.63 × 19,166.63
  4. Step 4: Simplify right side
    8,913.38x = 367,359,513.89
  5. Step 5: Solve for x
    x = 367,359,513.89/8,913.38
  6. Step 6: Final answer
    x = 41,214.41

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.