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Finding the Third Proportional to 1,605 and 2,346

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Solution

The third proportional to 1,605 and 2,346 is: 3,429.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605 : 2,346 = 2,346 : x
  2. Step 2: Convert to fraction form
    1,605/2,346 = 2,346/x
  3. Step 3: Cross multiply
    1,605x = 2,346 × 2,346
  4. Step 4: Simplify right side
    1,605x = 5,503,716
  5. Step 5: Solve for x
    x = 5,503,716/1,605
  6. Step 6: Final answer
    x = 3,429.11

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.