Finding the Third Proportional to 278,493.19 and 418,354.88
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Solution
The third proportional to 278,493.19 and 418,354.88 is: 628,456.31
Step by Step Solution
- Step 1: Write the proportion equation
278,493.19 : 418,354.88 = 418,354.88 : x - Step 2: Convert to fraction form
278,493.19/418,354.88 = 418,354.88/x - Step 3: Cross multiply
278,493.19x = 418,354.88 × 418,354.88 - Step 4: Simplify right side
278,493.19x = 175,020,801,436.27 - Step 5: Solve for x
x = 175,020,801,436.27/278,493.19 - Step 6: Final answer
x = 628,456.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.