Finding the Third Proportional to 85,398.75 and 128,076.75
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Solution
The third proportional to 85,398.75 and 128,076.75 is: 192,083.07
Step by Step Solution
- Step 1: Write the proportion equation
85,398.75 : 128,076.75 = 128,076.75 : x - Step 2: Convert to fraction form
85,398.75/128,076.75 = 128,076.75/x - Step 3: Cross multiply
85,398.75x = 128,076.75 × 128,076.75 - Step 4: Simplify right side
85,398.75x = 16,403,653,890.56 - Step 5: Solve for x
x = 16,403,653,890.56/85,398.75 - Step 6: Final answer
x = 192,083.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.