Finding the Third Proportional to 138,420,514.13 and 300,605,838.75
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Solution
The third proportional to 138,420,514.13 and 300,605,838.75 is: 652,821,374.50
Step by Step Solution
- Step 1: Write the proportion equation
138,420,514.13 : 300,605,838.75 = 300,605,838.75 : x - Step 2: Convert to fraction form
138,420,514.13/300,605,838.75 = 300,605,838.75/x - Step 3: Cross multiply
138,420,514.13x = 300,605,838.75 × 300,605,838.75 - Step 4: Simplify right side
138,420,514.13x = 90,363,870,290,591,008 - Step 5: Solve for x
x = 90,363,870,290,591,008/138,420,514.13 - Step 6: Final answer
x = 652,821,374.50
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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.