Finding the Third Proportional to 286,876.69 and 421,567.03
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Solution
The third proportional to 286,876.69 and 421,567.03 is: 619,495.31
Step by Step Solution
- Step 1: Write the proportion equation
286,876.69 : 421,567.03 = 421,567.03 : x - Step 2: Convert to fraction form
286,876.69/421,567.03 = 421,567.03/x - Step 3: Cross multiply
286,876.69x = 421,567.03 × 421,567.03 - Step 4: Simplify right side
286,876.69x = 177,718,761,836.94 - Step 5: Solve for x
x = 177,718,761,836.94/286,876.69 - Step 6: Final answer
x = 619,495.31
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.