Finding the Third Proportional to 42,135.19 and 91,302.19
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Solution
The third proportional to 42,135.19 and 91,302.19 is: 197,841.52
Step by Step Solution
- Step 1: Write the proportion equation
42,135.19 : 91,302.19 = 91,302.19 : x - Step 2: Convert to fraction form
42,135.19/91,302.19 = 91,302.19/x - Step 3: Cross multiply
42,135.19x = 91,302.19 × 91,302.19 - Step 4: Simplify right side
42,135.19x = 8,336,089,442.29 - Step 5: Solve for x
x = 8,336,089,442.29/42,135.19 - Step 6: Final answer
x = 197,841.52
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.