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Finding the Third Proportional to 379,704.38 and 554,559.75

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Solution

The third proportional to 379,704.38 and 554,559.75 is: 809,936.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,704.38 : 554,559.75 = 554,559.75 : x
  2. Step 2: Convert to fraction form
    379,704.38/554,559.75 = 554,559.75/x
  3. Step 3: Cross multiply
    379,704.38x = 554,559.75 × 554,559.75
  4. Step 4: Simplify right side
    379,704.38x = 307,536,516,320.06
  5. Step 5: Solve for x
    x = 307,536,516,320.06/379,704.38
  6. Step 6: Final answer
    x = 809,936.72

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.