Finding the Third Proportional to 258,612.75 and 402,316.88
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Solution
The third proportional to 258,612.75 and 402,316.88 is: 625,873.50
Step by Step Solution
- Step 1: Write the proportion equation
258,612.75 : 402,316.88 = 402,316.88 : x - Step 2: Convert to fraction form
258,612.75/402,316.88 = 402,316.88/x - Step 3: Cross multiply
258,612.75x = 402,316.88 × 402,316.88 - Step 4: Simplify right side
258,612.75x = 161,858,867,909.77 - Step 5: Solve for x
x = 161,858,867,909.77/258,612.75 - Step 6: Final answer
x = 625,873.50
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.