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Finding the Third Proportional to 143,242.50 and 303,560.63

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Solution

The third proportional to 143,242.50 and 303,560.63 is: 643,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,242.50 : 303,560.63 = 303,560.63 : x
  2. Step 2: Convert to fraction form
    143,242.50/303,560.63 = 303,560.63/x
  3. Step 3: Cross multiply
    143,242.50x = 303,560.63 × 303,560.63
  4. Step 4: Simplify right side
    143,242.50x = 92,149,053,050.39
  5. Step 5: Solve for x
    x = 92,149,053,050.39/143,242.50
  6. Step 6: Final answer
    x = 643,308.05

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.