Finding the Third Proportional to 155,964.23 and 319,319.09
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Solution
The third proportional to 155,964.23 and 319,319.09 is: 653,769.62
Step by Step Solution
- Step 1: Write the proportion equation
155,964.23 : 319,319.09 = 319,319.09 : x - Step 2: Convert to fraction form
155,964.23/319,319.09 = 319,319.09/x - Step 3: Cross multiply
155,964.23x = 319,319.09 × 319,319.09 - Step 4: Simplify right side
155,964.23x = 101,964,678,643.96 - Step 5: Solve for x
x = 101,964,678,643.96/155,964.23 - Step 6: Final answer
x = 653,769.62
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.