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Finding the Third Proportional to 83,840 and 182,476

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Solution

The third proportional to 83,840 and 182,476 is: 397,155.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,840 : 182,476 = 182,476 : x
  2. Step 2: Convert to fraction form
    83,840/182,476 = 182,476/x
  3. Step 3: Cross multiply
    83,840x = 182,476 × 182,476
  4. Step 4: Simplify right side
    83,840x = 33,297,490,576
  5. Step 5: Solve for x
    x = 33,297,490,576/83,840
  6. Step 6: Final answer
    x = 397,155.18

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.