Finding the Third Proportional to 291,912.75 and 631,803.38
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Solution
The third proportional to 291,912.75 and 631,803.38 is: 1,367,447.99
Step by Step Solution
- Step 1: Write the proportion equation
291,912.75 : 631,803.38 = 631,803.38 : x - Step 2: Convert to fraction form
291,912.75/631,803.38 = 631,803.38/x - Step 3: Cross multiply
291,912.75x = 631,803.38 × 631,803.38 - Step 4: Simplify right side
291,912.75x = 399,175,504,661.39 - Step 5: Solve for x
x = 399,175,504,661.39/291,912.75 - Step 6: Final answer
x = 1,367,447.99
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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.