Finding the Third Proportional to 74,347.88 and 115,161.75
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Solution
The third proportional to 74,347.88 and 115,161.75 is: 178,380.74
Step by Step Solution
- Step 1: Write the proportion equation
74,347.88 : 115,161.75 = 115,161.75 : x - Step 2: Convert to fraction form
74,347.88/115,161.75 = 115,161.75/x - Step 3: Cross multiply
74,347.88x = 115,161.75 × 115,161.75 - Step 4: Simplify right side
74,347.88x = 13,262,228,663.06 - Step 5: Solve for x
x = 13,262,228,663.06/74,347.88 - Step 6: Final answer
x = 178,380.74
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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.