Finding the Third Proportional to 490,727.25 and 719,889.75
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Solution
The third proportional to 490,727.25 and 719,889.75 is: 1,056,067.81
Step by Step Solution
- Step 1: Write the proportion equation
490,727.25 : 719,889.75 = 719,889.75 : x - Step 2: Convert to fraction form
490,727.25/719,889.75 = 719,889.75/x - Step 3: Cross multiply
490,727.25x = 719,889.75 × 719,889.75 - Step 4: Simplify right side
490,727.25x = 518,241,252,155.06 - Step 5: Solve for x
x = 518,241,252,155.06/490,727.25 - Step 6: Final answer
x = 1,056,067.81
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.