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Finding the Third Proportional to 4,918.50 and 10,392.75

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Solution

The third proportional to 4,918.50 and 10,392.75 is: 21,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.50 : 10,392.75 = 10,392.75 : x
  2. Step 2: Convert to fraction form
    4,918.50/10,392.75 = 10,392.75/x
  3. Step 3: Cross multiply
    4,918.50x = 10,392.75 × 10,392.75
  4. Step 4: Simplify right side
    4,918.50x = 108,009,252.56
  5. Step 5: Solve for x
    x = 108,009,252.56/4,918.50
  6. Step 6: Final answer
    x = 21,959.80

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These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.