Finding the Third Proportional to 258,038.16 and 379,452.09
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Solution
The third proportional to 258,038.16 and 379,452.09 is: 557,994.58
Step by Step Solution
- Step 1: Write the proportion equation
258,038.16 : 379,452.09 = 379,452.09 : x - Step 2: Convert to fraction form
258,038.16/379,452.09 = 379,452.09/x - Step 3: Cross multiply
258,038.16x = 379,452.09 × 379,452.09 - Step 4: Simplify right side
258,038.16x = 143,983,891,451.26 - Step 5: Solve for x
x = 143,983,891,451.26/258,038.16 - Step 6: Final answer
x = 557,994.58
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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.