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Finding the Third Proportional to 1,560 and 3,426

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Solution

The third proportional to 1,560 and 3,426 is: 7,524.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560 : 3,426 = 3,426 : x
  2. Step 2: Convert to fraction form
    1,560/3,426 = 3,426/x
  3. Step 3: Cross multiply
    1,560x = 3,426 × 3,426
  4. Step 4: Simplify right side
    1,560x = 11,737,476
  5. Step 5: Solve for x
    x = 11,737,476/1,560
  6. Step 6: Final answer
    x = 7,524.02

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.