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Finding the Third Proportional to 14,560 and 31,636

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Solution

The third proportional to 14,560 and 31,636 is: 68,738.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,560 : 31,636 = 31,636 : x
  2. Step 2: Convert to fraction form
    14,560/31,636 = 31,636/x
  3. Step 3: Cross multiply
    14,560x = 31,636 × 31,636
  4. Step 4: Simplify right side
    14,560x = 1,000,836,496
  5. Step 5: Solve for x
    x = 1,000,836,496/14,560
  6. Step 6: Final answer
    x = 68,738.77

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.