Finding the Third Proportional to 86,590.13 and 138,324.38
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Solution
The third proportional to 86,590.13 and 138,324.38 is: 220,967.84
Step by Step Solution
- Step 1: Write the proportion equation
86,590.13 : 138,324.38 = 138,324.38 : x - Step 2: Convert to fraction form
86,590.13/138,324.38 = 138,324.38/x - Step 3: Cross multiply
86,590.13x = 138,324.38 × 138,324.38 - Step 4: Simplify right side
86,590.13x = 19,133,632,719.14 - Step 5: Solve for x
x = 19,133,632,719.14/86,590.13 - Step 6: Final answer
x = 220,967.84
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These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.