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Finding the Third Proportional to 7,836 and 12,598

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Solution

The third proportional to 7,836 and 12,598 is: 20,253.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836 : 12,598 = 12,598 : x
  2. Step 2: Convert to fraction form
    7,836/12,598 = 12,598/x
  3. Step 3: Cross multiply
    7,836x = 12,598 × 12,598
  4. Step 4: Simplify right side
    7,836x = 158,709,604
  5. Step 5: Solve for x
    x = 158,709,604/7,836
  6. Step 6: Final answer
    x = 20,253.91

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.