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Finding the Third Proportional to 4,891 and 6,968.50

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Solution

The third proportional to 4,891 and 6,968.50 is: 9,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891 : 6,968.50 = 6,968.50 : x
  2. Step 2: Convert to fraction form
    4,891/6,968.50 = 6,968.50/x
  3. Step 3: Cross multiply
    4,891x = 6,968.50 × 6,968.50
  4. Step 4: Simplify right side
    4,891x = 48,559,992.25
  5. Step 5: Solve for x
    x = 48,559,992.25/4,891
  6. Step 6: Final answer
    x = 9,928.44

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.