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Finding the Third Proportional to 7,188.75 and 10,059.19

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Solution

The third proportional to 7,188.75 and 10,059.19 is: 14,075.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.75 : 10,059.19 = 10,059.19 : x
  2. Step 2: Convert to fraction form
    7,188.75/10,059.19 = 10,059.19/x
  3. Step 3: Cross multiply
    7,188.75x = 10,059.19 × 10,059.19
  4. Step 4: Simplify right side
    7,188.75x = 101,187,253.16
  5. Step 5: Solve for x
    x = 101,187,253.16/7,188.75
  6. Step 6: Final answer
    x = 14,075.78

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.