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Finding the Third Proportional to 142,449.75 and 303,963.75

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Solution

The third proportional to 142,449.75 and 303,963.75 is: 648,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,449.75 : 303,963.75 = 303,963.75 : x
  2. Step 2: Convert to fraction form
    142,449.75/303,963.75 = 303,963.75/x
  3. Step 3: Cross multiply
    142,449.75x = 303,963.75 × 303,963.75
  4. Step 4: Simplify right side
    142,449.75x = 92,393,961,314.06
  5. Step 5: Solve for x
    x = 92,393,961,314.06/142,449.75
  6. Step 6: Final answer
    x = 648,607.40

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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.