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Finding the Third Proportional to 243,615 and 536,436

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Solution

The third proportional to 243,615 and 536,436 is: 1,181,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,615 : 536,436 = 536,436 : x
  2. Step 2: Convert to fraction form
    243,615/536,436 = 536,436/x
  3. Step 3: Cross multiply
    243,615x = 536,436 × 536,436
  4. Step 4: Simplify right side
    243,615x = 287,763,582,096
  5. Step 5: Solve for x
    x = 287,763,582,096/243,615
  6. Step 6: Final answer
    x = 1,181,222.76

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.