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Finding the Third Proportional to 490,360.50 and 757,707.75

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Solution

The third proportional to 490,360.50 and 757,707.75 is: 1,170,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,360.50 : 757,707.75 = 757,707.75 : x
  2. Step 2: Convert to fraction form
    490,360.50/757,707.75 = 757,707.75/x
  3. Step 3: Cross multiply
    490,360.50x = 757,707.75 × 757,707.75
  4. Step 4: Simplify right side
    490,360.50x = 574,121,034,410.06
  5. Step 5: Solve for x
    x = 574,121,034,410.06/490,360.50
  6. Step 6: Final answer
    x = 1,170,814.20

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.