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Finding the Third Proportional to 8,889.75 and 13,790.25

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Solution

The third proportional to 8,889.75 and 13,790.25 is: 21,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.75 : 13,790.25 = 13,790.25 : x
  2. Step 2: Convert to fraction form
    8,889.75/13,790.25 = 13,790.25/x
  3. Step 3: Cross multiply
    8,889.75x = 13,790.25 × 13,790.25
  4. Step 4: Simplify right side
    8,889.75x = 190,170,995.06
  5. Step 5: Solve for x
    x = 190,170,995.06/8,889.75
  6. Step 6: Final answer
    x = 21,392.16

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.