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Finding the Third Proportional to 873.38 and 1,900.88

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Solution

The third proportional to 873.38 and 1,900.88 is: 4,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    873.38 : 1,900.88 = 1,900.88 : x
  2. Step 2: Convert to fraction form
    873.38/1,900.88 = 1,900.88/x
  3. Step 3: Cross multiply
    873.38x = 1,900.88 × 1,900.88
  4. Step 4: Simplify right side
    873.38x = 3,613,325.77
  5. Step 5: Solve for x
    x = 3,613,325.77/873.38
  6. Step 6: Final answer
    x = 4,137.20

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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.