Finding the Third Proportional to 621,852.75 and 1,318,437
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Solution
The third proportional to 621,852.75 and 1,318,437 is: 2,795,317.90
Step by Step Solution
- Step 1: Write the proportion equation
621,852.75 : 1,318,437 = 1,318,437 : x - Step 2: Convert to fraction form
621,852.75/1,318,437 = 1,318,437/x - Step 3: Cross multiply
621,852.75x = 1,318,437 × 1,318,437 - Step 4: Simplify right side
621,852.75x = 1,738,276,122,969 - Step 5: Solve for x
x = 1,738,276,122,969/621,852.75 - Step 6: Final answer
x = 2,795,317.90
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.