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Finding the Third Proportional to 7,426 and 14,636

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Solution

The third proportional to 7,426 and 14,636 is: 28,846.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426 : 14,636 = 14,636 : x
  2. Step 2: Convert to fraction form
    7,426/14,636 = 14,636/x
  3. Step 3: Cross multiply
    7,426x = 14,636 × 14,636
  4. Step 4: Simplify right side
    7,426x = 214,212,496
  5. Step 5: Solve for x
    x = 214,212,496/7,426
  6. Step 6: Final answer
    x = 28,846.28

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.