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Finding the Third Proportional to 150,147 and 326,430

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Solution

The third proportional to 150,147 and 326,430 is: 709,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,147 : 326,430 = 326,430 : x
  2. Step 2: Convert to fraction form
    150,147/326,430 = 326,430/x
  3. Step 3: Cross multiply
    150,147x = 326,430 × 326,430
  4. Step 4: Simplify right side
    150,147x = 106,556,544,900
  5. Step 5: Solve for x
    x = 106,556,544,900/150,147
  6. Step 6: Final answer
    x = 709,681.48

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.