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Finding the Third Proportional to 4,621 and 6,937

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Solution

The third proportional to 4,621 and 6,937 is: 10,413.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621 : 6,937 = 6,937 : x
  2. Step 2: Convert to fraction form
    4,621/6,937 = 6,937/x
  3. Step 3: Cross multiply
    4,621x = 6,937 × 6,937
  4. Step 4: Simplify right side
    4,621x = 48,121,969
  5. Step 5: Solve for x
    x = 48,121,969/4,621
  6. Step 6: Final answer
    x = 10,413.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.