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Finding the Third Proportional to 7,500.94 and 11,309.63

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Solution

The third proportional to 7,500.94 and 11,309.63 is: 17,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.94 : 11,309.63 = 11,309.63 : x
  2. Step 2: Convert to fraction form
    7,500.94/11,309.63 = 11,309.63/x
  3. Step 3: Cross multiply
    7,500.94x = 11,309.63 × 11,309.63
  4. Step 4: Simplify right side
    7,500.94x = 127,907,617.64
  5. Step 5: Solve for x
    x = 127,907,617.64/7,500.94
  6. Step 6: Final answer
    x = 17,052.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.