Finding the Third Proportional to 86,356.13 and 133,908.19
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Solution
The third proportional to 86,356.13 and 133,908.19 is: 207,644.83
Step by Step Solution
- Step 1: Write the proportion equation
86,356.13 : 133,908.19 = 133,908.19 : x - Step 2: Convert to fraction form
86,356.13/133,908.19 = 133,908.19/x - Step 3: Cross multiply
86,356.13x = 133,908.19 × 133,908.19 - Step 4: Simplify right side
86,356.13x = 17,931,402,679.54 - Step 5: Solve for x
x = 17,931,402,679.54/86,356.13 - Step 6: Final answer
x = 207,644.83
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.