Finding the Third Proportional to 86,378.25 and 133,257.75
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Solution
The third proportional to 86,378.25 and 133,257.75 is: 205,579.85
Step by Step Solution
- Step 1: Write the proportion equation
86,378.25 : 133,257.75 = 133,257.75 : x - Step 2: Convert to fraction form
86,378.25/133,257.75 = 133,257.75/x - Step 3: Cross multiply
86,378.25x = 133,257.75 × 133,257.75 - Step 4: Simplify right side
86,378.25x = 17,757,627,935.06 - Step 5: Solve for x
x = 17,757,627,935.06/86,378.25 - Step 6: Final answer
x = 205,579.85
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.