Finding the Third Proportional to 139,291 and 300,748
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Solution
The third proportional to 139,291 and 300,748 is: 649,355.37
Step by Step Solution
- Step 1: Write the proportion equation
139,291 : 300,748 = 300,748 : x - Step 2: Convert to fraction form
139,291/300,748 = 300,748/x - Step 3: Cross multiply
139,291x = 300,748 × 300,748 - Step 4: Simplify right side
139,291x = 90,449,359,504 - Step 5: Solve for x
x = 90,449,359,504/139,291 - Step 6: Final answer
x = 649,355.37
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.