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Finding the Third Proportional to 275,335 and 609,631

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Solution

The third proportional to 275,335 and 609,631 is: 1,349,810.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,335 : 609,631 = 609,631 : x
  2. Step 2: Convert to fraction form
    275,335/609,631 = 609,631/x
  3. Step 3: Cross multiply
    275,335x = 609,631 × 609,631
  4. Step 4: Simplify right side
    275,335x = 371,649,956,161
  5. Step 5: Solve for x
    x = 371,649,956,161/275,335
  6. Step 6: Final answer
    x = 1,349,810.07

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.