Finding the Third Proportional to 77,931 and 168,316
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Solution
The third proportional to 77,931 and 168,316 is: 363,530.25
Step by Step Solution
- Step 1: Write the proportion equation
77,931 : 168,316 = 168,316 : x - Step 2: Convert to fraction form
77,931/168,316 = 168,316/x - Step 3: Cross multiply
77,931x = 168,316 × 168,316 - Step 4: Simplify right side
77,931x = 28,330,275,856 - Step 5: Solve for x
x = 28,330,275,856/77,931 - Step 6: Final answer
x = 363,530.25
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.