Finding the Third Proportional to 256,810.50 and 395,239.50
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Solution
The third proportional to 256,810.50 and 395,239.50 is: 608,286.12
Step by Step Solution
- Step 1: Write the proportion equation
256,810.50 : 395,239.50 = 395,239.50 : x - Step 2: Convert to fraction form
256,810.50/395,239.50 = 395,239.50/x - Step 3: Cross multiply
256,810.50x = 395,239.50 × 395,239.50 - Step 4: Simplify right side
256,810.50x = 156,214,262,360.25 - Step 5: Solve for x
x = 156,214,262,360.25/256,810.50 - Step 6: Final answer
x = 608,286.12
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.