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Finding the Third Proportional to 578,713.50 and 1,269,481.50

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Solution

The third proportional to 578,713.50 and 1,269,481.50 is: 2,784,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,713.50 : 1,269,481.50 = 1,269,481.50 : x
  2. Step 2: Convert to fraction form
    578,713.50/1,269,481.50 = 1,269,481.50/x
  3. Step 3: Cross multiply
    578,713.50x = 1,269,481.50 × 1,269,481.50
  4. Step 4: Simplify right side
    578,713.50x = 1,611,583,278,842.25
  5. Step 5: Solve for x
    x = 1,611,583,278,842.25/578,713.50
  6. Step 6: Final answer
    x = 2,784,768.77

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.