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Finding the Third Proportional to 155,592 and 339,345

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Solution

The third proportional to 155,592 and 339,345 is: 740,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,592 : 339,345 = 339,345 : x
  2. Step 2: Convert to fraction form
    155,592/339,345 = 339,345/x
  3. Step 3: Cross multiply
    155,592x = 339,345 × 339,345
  4. Step 4: Simplify right side
    155,592x = 115,155,029,025
  5. Step 5: Solve for x
    x = 115,155,029,025/155,592
  6. Step 6: Final answer
    x = 740,108.93

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.