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Finding the Third Proportional to 6,859 and 10,338.50

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Solution

The third proportional to 6,859 and 10,338.50 is: 15,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859 : 10,338.50 = 10,338.50 : x
  2. Step 2: Convert to fraction form
    6,859/10,338.50 = 10,338.50/x
  3. Step 3: Cross multiply
    6,859x = 10,338.50 × 10,338.50
  4. Step 4: Simplify right side
    6,859x = 106,884,582.25
  5. Step 5: Solve for x
    x = 106,884,582.25/6,859
  6. Step 6: Final answer
    x = 15,583.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.