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Finding the Third Proportional to 303,619.13 and 445,576.88

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Solution

The third proportional to 303,619.13 and 445,576.88 is: 653,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,619.13 : 445,576.88 = 445,576.88 : x
  2. Step 2: Convert to fraction form
    303,619.13/445,576.88 = 445,576.88/x
  3. Step 3: Cross multiply
    303,619.13x = 445,576.88 × 445,576.88
  4. Step 4: Simplify right side
    303,619.13x = 198,538,751,534.77
  5. Step 5: Solve for x
    x = 198,538,751,534.77/303,619.13
  6. Step 6: Final answer
    x = 653,907.26

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.