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Finding the Third Proportional to 1,903 and 4,402

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Solution

The third proportional to 1,903 and 4,402 is: 10,182.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903 : 4,402 = 4,402 : x
  2. Step 2: Convert to fraction form
    1,903/4,402 = 4,402/x
  3. Step 3: Cross multiply
    1,903x = 4,402 × 4,402
  4. Step 4: Simplify right side
    1,903x = 19,377,604
  5. Step 5: Solve for x
    x = 19,377,604/1,903
  6. Step 6: Final answer
    x = 10,182.66

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.