Finding the Third Proportional to 155,212.50 and 316,986
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Solution
The third proportional to 155,212.50 and 316,986 is: 647,371.34
Step by Step Solution
- Step 1: Write the proportion equation
155,212.50 : 316,986 = 316,986 : x - Step 2: Convert to fraction form
155,212.50/316,986 = 316,986/x - Step 3: Cross multiply
155,212.50x = 316,986 × 316,986 - Step 4: Simplify right side
155,212.50x = 100,480,124,196 - Step 5: Solve for x
x = 100,480,124,196/155,212.50 - Step 6: Final answer
x = 647,371.34
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These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.