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Finding the Third Proportional to 204,336 and 306,786

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Solution

The third proportional to 204,336 and 306,786 is: 460,602.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,336 : 306,786 = 306,786 : x
  2. Step 2: Convert to fraction form
    204,336/306,786 = 306,786/x
  3. Step 3: Cross multiply
    204,336x = 306,786 × 306,786
  4. Step 4: Simplify right side
    204,336x = 94,117,649,796
  5. Step 5: Solve for x
    x = 94,117,649,796/204,336
  6. Step 6: Final answer
    x = 460,602.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.