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Finding the Third Proportional to 2,426 and 3,479

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Solution

The third proportional to 2,426 and 3,479 is: 4,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426 : 3,479 = 3,479 : x
  2. Step 2: Convert to fraction form
    2,426/3,479 = 3,479/x
  3. Step 3: Cross multiply
    2,426x = 3,479 × 3,479
  4. Step 4: Simplify right side
    2,426x = 12,103,441
  5. Step 5: Solve for x
    x = 12,103,441/2,426
  6. Step 6: Final answer
    x = 4,989.05

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.