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Finding the Third Proportional to 1,830.94 and 4,071.09

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Solution

The third proportional to 1,830.94 and 4,071.09 is: 9,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.94 : 4,071.09 = 4,071.09 : x
  2. Step 2: Convert to fraction form
    1,830.94/4,071.09 = 4,071.09/x
  3. Step 3: Cross multiply
    1,830.94x = 4,071.09 × 4,071.09
  4. Step 4: Simplify right side
    1,830.94x = 16,573,804.32
  5. Step 5: Solve for x
    x = 16,573,804.32/1,830.94
  6. Step 6: Final answer
    x = 9,052.09

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.