Finding the Third Proportional to 261,236.25 and 390,841.88
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Solution
The third proportional to 261,236.25 and 390,841.88 is: 584,747.99
Step by Step Solution
- Step 1: Write the proportion equation
261,236.25 : 390,841.88 = 390,841.88 : x - Step 2: Convert to fraction form
261,236.25/390,841.88 = 390,841.88/x - Step 3: Cross multiply
261,236.25x = 390,841.88 × 390,841.88 - Step 4: Simplify right side
261,236.25x = 152,757,371,253.52 - Step 5: Solve for x
x = 152,757,371,253.52/261,236.25 - Step 6: Final answer
x = 584,747.99
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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.