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Finding the Third Proportional to 2,976.75 and 4,821.75

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Solution

The third proportional to 2,976.75 and 4,821.75 is: 7,810.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.75 : 4,821.75 = 4,821.75 : x
  2. Step 2: Convert to fraction form
    2,976.75/4,821.75 = 4,821.75/x
  3. Step 3: Cross multiply
    2,976.75x = 4,821.75 × 4,821.75
  4. Step 4: Simplify right side
    2,976.75x = 23,249,273.06
  5. Step 5: Solve for x
    x = 23,249,273.06/2,976.75
  6. Step 6: Final answer
    x = 7,810.29

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These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.