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Finding the Third Proportional to 1,871 and 4,373

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Solution

The third proportional to 1,871 and 4,373 is: 10,220.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871 : 4,373 = 4,373 : x
  2. Step 2: Convert to fraction form
    1,871/4,373 = 4,373/x
  3. Step 3: Cross multiply
    1,871x = 4,373 × 4,373
  4. Step 4: Simplify right side
    1,871x = 19,123,129
  5. Step 5: Solve for x
    x = 19,123,129/1,871
  6. Step 6: Final answer
    x = 10,220.81

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.