Finding the Third Proportional to 1,438,539.75 and 2,147,963.06
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Solution
The third proportional to 1,438,539.75 and 2,147,963.06 is: 3,207,242.15
Step by Step Solution
- Step 1: Write the proportion equation
1,438,539.75 : 2,147,963.06 = 2,147,963.06 : x - Step 2: Convert to fraction form
1,438,539.75/2,147,963.06 = 2,147,963.06/x - Step 3: Cross multiply
1,438,539.75x = 2,147,963.06 × 2,147,963.06 - Step 4: Simplify right side
1,438,539.75x = 4,613,745,317,864.38 - Step 5: Solve for x
x = 4,613,745,317,864.38/1,438,539.75 - Step 6: Final answer
x = 3,207,242.15
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.