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Finding the Third Proportional to 207,786 and 297,144

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Solution

The third proportional to 207,786 and 297,144 is: 424,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,786 : 297,144 = 297,144 : x
  2. Step 2: Convert to fraction form
    207,786/297,144 = 297,144/x
  3. Step 3: Cross multiply
    207,786x = 297,144 × 297,144
  4. Step 4: Simplify right side
    207,786x = 88,294,556,736
  5. Step 5: Solve for x
    x = 88,294,556,736/207,786
  6. Step 6: Final answer
    x = 424,930.25

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.