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Finding the Third Proportional to 305,260.50 and 663,039.50

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Solution

The third proportional to 305,260.50 and 663,039.50 is: 1,440,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,260.50 : 663,039.50 = 663,039.50 : x
  2. Step 2: Convert to fraction form
    305,260.50/663,039.50 = 663,039.50/x
  3. Step 3: Cross multiply
    305,260.50x = 663,039.50 × 663,039.50
  4. Step 4: Simplify right side
    305,260.50x = 439,621,378,560.25
  5. Step 5: Solve for x
    x = 439,621,378,560.25/305,260.50
  6. Step 6: Final answer
    x = 1,440,151.54

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.