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Finding the Third Proportional to 3,610 and 4,426

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Solution

The third proportional to 3,610 and 4,426 is: 5,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610 : 4,426 = 4,426 : x
  2. Step 2: Convert to fraction form
    3,610/4,426 = 4,426/x
  3. Step 3: Cross multiply
    3,610x = 4,426 × 4,426
  4. Step 4: Simplify right side
    3,610x = 19,589,476
  5. Step 5: Solve for x
    x = 19,589,476/3,610
  6. Step 6: Final answer
    x = 5,426.45

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Why These Related Problems?

These problems maintain the same ratio (1.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.