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Finding the Third Proportional to 4,776 and 6,764

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Solution

The third proportional to 4,776 and 6,764 is: 9,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776 : 6,764 = 6,764 : x
  2. Step 2: Convert to fraction form
    4,776/6,764 = 6,764/x
  3. Step 3: Cross multiply
    4,776x = 6,764 × 6,764
  4. Step 4: Simplify right side
    4,776x = 45,751,696
  5. Step 5: Solve for x
    x = 45,751,696/4,776
  6. Step 6: Final answer
    x = 9,579.50

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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.