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Finding the Third Proportional to 3,346 and 3,646

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Solution

The third proportional to 3,346 and 3,646 is: 3,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346 : 3,646 = 3,646 : x
  2. Step 2: Convert to fraction form
    3,346/3,646 = 3,646/x
  3. Step 3: Cross multiply
    3,346x = 3,646 × 3,646
  4. Step 4: Simplify right side
    3,346x = 13,293,316
  5. Step 5: Solve for x
    x = 13,293,316/3,346
  6. Step 6: Final answer
    x = 3,972.90

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.