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Finding the Third Proportional to 142,450 and 303,967

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Solution

The third proportional to 142,450 and 303,967 is: 648,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,450 : 303,967 = 303,967 : x
  2. Step 2: Convert to fraction form
    142,450/303,967 = 303,967/x
  3. Step 3: Cross multiply
    142,450x = 303,967 × 303,967
  4. Step 4: Simplify right side
    142,450x = 92,395,937,089
  5. Step 5: Solve for x
    x = 92,395,937,089/142,450
  6. Step 6: Final answer
    x = 648,620.13

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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.