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Finding the Third Proportional to 91,975.74 and 197,249.67

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Solution

The third proportional to 91,975.74 and 197,249.67 is: 423,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,975.74 : 197,249.67 = 197,249.67 : x
  2. Step 2: Convert to fraction form
    91,975.74/197,249.67 = 197,249.67/x
  3. Step 3: Cross multiply
    91,975.74x = 197,249.67 × 197,249.67
  4. Step 4: Simplify right side
    91,975.74x = 38,907,433,632.67
  5. Step 5: Solve for x
    x = 38,907,433,632.67/91,975.74
  6. Step 6: Final answer
    x = 423,018.45

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.