Finding the Third Proportional to 147,212 and 319,318
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Solution
The third proportional to 147,212 and 319,318 is: 692,633.65
Step by Step Solution
- Step 1: Write the proportion equation
147,212 : 319,318 = 319,318 : x - Step 2: Convert to fraction form
147,212/319,318 = 319,318/x - Step 3: Cross multiply
147,212x = 319,318 × 319,318 - Step 4: Simplify right side
147,212x = 101,963,985,124 - Step 5: Solve for x
x = 101,963,985,124/147,212 - Step 6: Final answer
x = 692,633.65
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.