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Finding the Third Proportional to 945 and 1,833

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Solution

The third proportional to 945 and 1,833 is: 3,555.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    945 : 1,833 = 1,833 : x
  2. Step 2: Convert to fraction form
    945/1,833 = 1,833/x
  3. Step 3: Cross multiply
    945x = 1,833 × 1,833
  4. Step 4: Simplify right side
    945x = 3,359,889
  5. Step 5: Solve for x
    x = 3,359,889/945
  6. Step 6: Final answer
    x = 3,555.44

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Why These Related Problems?

These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.