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Finding the Third Proportional to 490,571.44 and 719,705.25

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Solution

The third proportional to 490,571.44 and 719,705.25 is: 1,055,861.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,571.44 : 719,705.25 = 719,705.25 : x
  2. Step 2: Convert to fraction form
    490,571.44/719,705.25 = 719,705.25/x
  3. Step 3: Cross multiply
    490,571.44x = 719,705.25 × 719,705.25
  4. Step 4: Simplify right side
    490,571.44x = 517,975,646,877.56
  5. Step 5: Solve for x
    x = 517,975,646,877.56/490,571.44
  6. Step 6: Final answer
    x = 1,055,861.81

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.