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Finding the Third Proportional to 326,826.75 and 490,077.75

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Solution

The third proportional to 326,826.75 and 490,077.75 is: 734,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,826.75 : 490,077.75 = 490,077.75 : x
  2. Step 2: Convert to fraction form
    326,826.75/490,077.75 = 490,077.75/x
  3. Step 3: Cross multiply
    326,826.75x = 490,077.75 × 490,077.75
  4. Step 4: Simplify right side
    326,826.75x = 240,176,201,045.06
  5. Step 5: Solve for x
    x = 240,176,201,045.06/326,826.75
  6. Step 6: Final answer
    x = 734,873.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.