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Finding the Third Proportional to 142,396 and 303,197

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Solution

The third proportional to 142,396 and 303,197 is: 645,582.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,396 : 303,197 = 303,197 : x
  2. Step 2: Convert to fraction form
    142,396/303,197 = 303,197/x
  3. Step 3: Cross multiply
    142,396x = 303,197 × 303,197
  4. Step 4: Simplify right side
    142,396x = 91,928,420,809
  5. Step 5: Solve for x
    x = 91,928,420,809/142,396
  6. Step 6: Final answer
    x = 645,582.89

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.