Finding the Third Proportional to 30,345.26 and 66,712.99
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Solution
The third proportional to 30,345.26 and 66,712.99 is: 146,666.19
Step by Step Solution
- Step 1: Write the proportion equation
30,345.26 : 66,712.99 = 66,712.99 : x - Step 2: Convert to fraction form
30,345.26/66,712.99 = 66,712.99/x - Step 3: Cross multiply
30,345.26x = 66,712.99 × 66,712.99 - Step 4: Simplify right side
30,345.26x = 4,450,623,326.61 - Step 5: Solve for x
x = 4,450,623,326.61/30,345.26 - Step 6: Final answer
x = 146,666.19
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.