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Finding the Third Proportional to 3,957.19 and 8,582.63

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Solution

The third proportional to 3,957.19 and 8,582.63 is: 18,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.19 : 8,582.63 = 8,582.63 : x
  2. Step 2: Convert to fraction form
    3,957.19/8,582.63 = 8,582.63/x
  3. Step 3: Cross multiply
    3,957.19x = 8,582.63 × 8,582.63
  4. Step 4: Simplify right side
    3,957.19x = 73,661,451.89
  5. Step 5: Solve for x
    x = 73,661,451.89/3,957.19
  6. Step 6: Final answer
    x = 18,614.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.