Finding the Third Proportional to 74,881.13 and 115,921.13
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Solution
The third proportional to 74,881.13 and 115,921.13 is: 179,453.86
Step by Step Solution
- Step 1: Write the proportion equation
74,881.13 : 115,921.13 = 115,921.13 : x - Step 2: Convert to fraction form
74,881.13/115,921.13 = 115,921.13/x - Step 3: Cross multiply
74,881.13x = 115,921.13 × 115,921.13 - Step 4: Simplify right side
74,881.13x = 13,437,707,221.27 - Step 5: Solve for x
x = 13,437,707,221.27/74,881.13 - Step 6: Final answer
x = 179,453.86
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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.