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Finding the Third Proportional to 441,004.50 and 678,739.50

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Solution

The third proportional to 441,004.50 and 678,739.50 is: 1,044,631.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,004.50 : 678,739.50 = 678,739.50 : x
  2. Step 2: Convert to fraction form
    441,004.50/678,739.50 = 678,739.50/x
  3. Step 3: Cross multiply
    441,004.50x = 678,739.50 × 678,739.50
  4. Step 4: Simplify right side
    441,004.50x = 460,687,308,860.25
  5. Step 5: Solve for x
    x = 460,687,308,860.25/441,004.50
  6. Step 6: Final answer
    x = 1,044,631.76

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.