Finding the Third Proportional to 298,725.75 and 644,991.75
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Solution
The third proportional to 298,725.75 and 644,991.75 is: 1,392,629.72
Step by Step Solution
- Step 1: Write the proportion equation
298,725.75 : 644,991.75 = 644,991.75 : x - Step 2: Convert to fraction form
298,725.75/644,991.75 = 644,991.75/x - Step 3: Cross multiply
298,725.75x = 644,991.75 × 644,991.75 - Step 4: Simplify right side
298,725.75x = 416,014,357,568.06 - Step 5: Solve for x
x = 416,014,357,568.06/298,725.75 - Step 6: Final answer
x = 1,392,629.72
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.