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Finding the Third Proportional to 1,973 and 3,243

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Solution

The third proportional to 1,973 and 3,243 is: 5,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973 : 3,243 = 3,243 : x
  2. Step 2: Convert to fraction form
    1,973/3,243 = 3,243/x
  3. Step 3: Cross multiply
    1,973x = 3,243 × 3,243
  4. Step 4: Simplify right side
    1,973x = 10,517,049
  5. Step 5: Solve for x
    x = 10,517,049/1,973
  6. Step 6: Final answer
    x = 5,330.49

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.