Finding the Third Proportional to 621,244.69 and 1,282,128.75
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Solution
The third proportional to 621,244.69 and 1,282,128.75 is: 2,646,065.50
Step by Step Solution
- Step 1: Write the proportion equation
621,244.69 : 1,282,128.75 = 1,282,128.75 : x - Step 2: Convert to fraction form
621,244.69/1,282,128.75 = 1,282,128.75/x - Step 3: Cross multiply
621,244.69x = 1,282,128.75 × 1,282,128.75 - Step 4: Simplify right side
621,244.69x = 1,643,854,131,576.56 - Step 5: Solve for x
x = 1,643,854,131,576.56/621,244.69 - Step 6: Final answer
x = 2,646,065.50
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Why These Related Problems?
These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.