Finding the Third Proportional to 68,712.75 and 147,813.75
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Solution
The third proportional to 68,712.75 and 147,813.75 is: 317,974.53
Step by Step Solution
- Step 1: Write the proportion equation
68,712.75 : 147,813.75 = 147,813.75 : x - Step 2: Convert to fraction form
68,712.75/147,813.75 = 147,813.75/x - Step 3: Cross multiply
68,712.75x = 147,813.75 × 147,813.75 - Step 4: Simplify right side
68,712.75x = 21,848,904,689.06 - Step 5: Solve for x
x = 21,848,904,689.06/68,712.75 - Step 6: Final answer
x = 317,974.53
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.