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Finding the Third Proportional to 144,542 and 222,445

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Solution

The third proportional to 144,542 and 222,445 is: 342,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,542 : 222,445 = 222,445 : x
  2. Step 2: Convert to fraction form
    144,542/222,445 = 222,445/x
  3. Step 3: Cross multiply
    144,542x = 222,445 × 222,445
  4. Step 4: Simplify right side
    144,542x = 49,481,778,025
  5. Step 5: Solve for x
    x = 49,481,778,025/144,542
  6. Step 6: Final answer
    x = 342,334.95

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.