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Finding the Third Proportional to 1,622 and 3,559

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Solution

The third proportional to 1,622 and 3,559 is: 7,809.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622 : 3,559 = 3,559 : x
  2. Step 2: Convert to fraction form
    1,622/3,559 = 3,559/x
  3. Step 3: Cross multiply
    1,622x = 3,559 × 3,559
  4. Step 4: Simplify right side
    1,622x = 12,666,481
  5. Step 5: Solve for x
    x = 12,666,481/1,622
  6. Step 6: Final answer
    x = 7,809.17

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.