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Finding the Third Proportional to 236,305 and 518,536

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Solution

The third proportional to 236,305 and 518,536 is: 1,137,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,305 : 518,536 = 518,536 : x
  2. Step 2: Convert to fraction form
    236,305/518,536 = 518,536/x
  3. Step 3: Cross multiply
    236,305x = 518,536 × 518,536
  4. Step 4: Simplify right side
    236,305x = 268,879,583,296
  5. Step 5: Solve for x
    x = 268,879,583,296/236,305
  6. Step 6: Final answer
    x = 1,137,849.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.