Finding the Third Proportional to 665,427 and 1,442,961
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Solution
The third proportional to 665,427 and 1,442,961 is: 3,129,023.09
Step by Step Solution
- Step 1: Write the proportion equation
665,427 : 1,442,961 = 1,442,961 : x - Step 2: Convert to fraction form
665,427/1,442,961 = 1,442,961/x - Step 3: Cross multiply
665,427x = 1,442,961 × 1,442,961 - Step 4: Simplify right side
665,427x = 2,082,136,447,521 - Step 5: Solve for x
x = 2,082,136,447,521/665,427 - Step 6: Final answer
x = 3,129,023.09
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.