Finding the Third Proportional to 68,150.25 and 139,701.75
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Solution
The third proportional to 68,150.25 and 139,701.75 is: 286,375.75
Step by Step Solution
- Step 1: Write the proportion equation
68,150.25 : 139,701.75 = 139,701.75 : x - Step 2: Convert to fraction form
68,150.25/139,701.75 = 139,701.75/x - Step 3: Cross multiply
68,150.25x = 139,701.75 × 139,701.75 - Step 4: Simplify right side
68,150.25x = 19,516,578,953.06 - Step 5: Solve for x
x = 19,516,578,953.06/68,150.25 - Step 6: Final answer
x = 286,375.75
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.