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Finding the Third Proportional to 189,187.50 and 408,240.75

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Solution

The third proportional to 189,187.50 and 408,240.75 is: 880,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,187.50 : 408,240.75 = 408,240.75 : x
  2. Step 2: Convert to fraction form
    189,187.50/408,240.75 = 408,240.75/x
  3. Step 3: Cross multiply
    189,187.50x = 408,240.75 × 408,240.75
  4. Step 4: Simplify right side
    189,187.50x = 166,660,509,960.56
  5. Step 5: Solve for x
    x = 166,660,509,960.56/189,187.50
  6. Step 6: Final answer
    x = 880,927.70

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.