Finding the Third Proportional to 78,917.63 and 168,937.88
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Solution
The third proportional to 78,917.63 and 168,937.88 is: 361,642.99
Step by Step Solution
- Step 1: Write the proportion equation
78,917.63 : 168,937.88 = 168,937.88 : x - Step 2: Convert to fraction form
78,917.63/168,937.88 = 168,937.88/x - Step 3: Cross multiply
78,917.63x = 168,937.88 × 168,937.88 - Step 4: Simplify right side
78,917.63x = 28,540,005,609.52 - Step 5: Solve for x
x = 28,540,005,609.52/78,917.63 - Step 6: Final answer
x = 361,642.99
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.