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Finding the Third Proportional to 303,628.50 and 490,981.50

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Solution

The third proportional to 303,628.50 and 490,981.50 is: 793,940.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,628.50 : 490,981.50 = 490,981.50 : x
  2. Step 2: Convert to fraction form
    303,628.50/490,981.50 = 490,981.50/x
  3. Step 3: Cross multiply
    303,628.50x = 490,981.50 × 490,981.50
  4. Step 4: Simplify right side
    303,628.50x = 241,062,833,342.25
  5. Step 5: Solve for x
    x = 241,062,833,342.25/303,628.50
  6. Step 6: Final answer
    x = 793,940.07

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.