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Finding the Third Proportional to 550,503 and 775,234.50

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Solution

The third proportional to 550,503 and 775,234.50 is: 1,091,708.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,503 : 775,234.50 = 775,234.50 : x
  2. Step 2: Convert to fraction form
    550,503/775,234.50 = 775,234.50/x
  3. Step 3: Cross multiply
    550,503x = 775,234.50 × 775,234.50
  4. Step 4: Simplify right side
    550,503x = 600,988,529,990.25
  5. Step 5: Solve for x
    x = 600,988,529,990.25/550,503
  6. Step 6: Final answer
    x = 1,091,708.00

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.