Finding the Third Proportional to 74,745.75 and 115,854.75
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Solution
The third proportional to 74,745.75 and 115,854.75 is: 179,573.06
Step by Step Solution
- Step 1: Write the proportion equation
74,745.75 : 115,854.75 = 115,854.75 : x - Step 2: Convert to fraction form
74,745.75/115,854.75 = 115,854.75/x - Step 3: Cross multiply
74,745.75x = 115,854.75 × 115,854.75 - Step 4: Simplify right side
74,745.75x = 13,422,323,097.56 - Step 5: Solve for x
x = 13,422,323,097.56/74,745.75 - Step 6: Final answer
x = 179,573.06
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.