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Finding the Third Proportional to 158,636 and 211,476

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Solution

The third proportional to 158,636 and 211,476 is: 281,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,636 : 211,476 = 211,476 : x
  2. Step 2: Convert to fraction form
    158,636/211,476 = 211,476/x
  3. Step 3: Cross multiply
    158,636x = 211,476 × 211,476
  4. Step 4: Simplify right side
    158,636x = 44,722,098,576
  5. Step 5: Solve for x
    x = 44,722,098,576/158,636
  6. Step 6: Final answer
    x = 281,916.45

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.