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Finding the Third Proportional to 1,002.38 and 2,152.83

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Solution

The third proportional to 1,002.38 and 2,152.83 is: 4,623.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002.38 : 2,152.83 = 2,152.83 : x
  2. Step 2: Convert to fraction form
    1,002.38/2,152.83 = 2,152.83/x
  3. Step 3: Cross multiply
    1,002.38x = 2,152.83 × 2,152.83
  4. Step 4: Simplify right side
    1,002.38x = 4,634,668.94
  5. Step 5: Solve for x
    x = 4,634,668.94/1,002.38
  6. Step 6: Final answer
    x = 4,623.69

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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.