Finding the Third Proportional to 671,963 and 1,040,445
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Solution
The third proportional to 671,963 and 1,040,445 is: 1,610,990.19
Step by Step Solution
- Step 1: Write the proportion equation
671,963 : 1,040,445 = 1,040,445 : x - Step 2: Convert to fraction form
671,963/1,040,445 = 1,040,445/x - Step 3: Cross multiply
671,963x = 1,040,445 × 1,040,445 - Step 4: Simplify right side
671,963x = 1,082,525,798,025 - Step 5: Solve for x
x = 1,082,525,798,025/671,963 - Step 6: Final answer
x = 1,610,990.19
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.