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Finding the Third Proportional to 197,426 and 281,371

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Solution

The third proportional to 197,426 and 281,371 is: 401,009.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,426 : 281,371 = 281,371 : x
  2. Step 2: Convert to fraction form
    197,426/281,371 = 281,371/x
  3. Step 3: Cross multiply
    197,426x = 281,371 × 281,371
  4. Step 4: Simplify right side
    197,426x = 79,169,639,641
  5. Step 5: Solve for x
    x = 79,169,639,641/197,426
  6. Step 6: Final answer
    x = 401,009.19

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.