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Finding the Third Proportional to 197,065 and 305,718

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Solution

The third proportional to 197,065 and 305,718 is: 474,277.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,065 : 305,718 = 305,718 : x
  2. Step 2: Convert to fraction form
    197,065/305,718 = 305,718/x
  3. Step 3: Cross multiply
    197,065x = 305,718 × 305,718
  4. Step 4: Simplify right side
    197,065x = 93,463,495,524
  5. Step 5: Solve for x
    x = 93,463,495,524/197,065
  6. Step 6: Final answer
    x = 474,277.50

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Why These Related Problems?

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