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Finding the Third Proportional to 223,744.50 and 312,828.75

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Solution

The third proportional to 223,744.50 and 312,828.75 is: 437,382.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,744.50 : 312,828.75 = 312,828.75 : x
  2. Step 2: Convert to fraction form
    223,744.50/312,828.75 = 312,828.75/x
  3. Step 3: Cross multiply
    223,744.50x = 312,828.75 × 312,828.75
  4. Step 4: Simplify right side
    223,744.50x = 97,861,826,826.56
  5. Step 5: Solve for x
    x = 97,861,826,826.56/223,744.50
  6. Step 6: Final answer
    x = 437,382.04

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.