Finding the Third Proportional to 276,943,377 and 438,532,749
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Solution
The third proportional to 276,943,377 and 438,532,749 is: 694,405,383.62
Step by Step Solution
- Step 1: Write the proportion equation
276,943,377 : 438,532,749 = 438,532,749 : x - Step 2: Convert to fraction form
276,943,377/438,532,749 = 438,532,749/x - Step 3: Cross multiply
276,943,377x = 438,532,749 × 438,532,749 - Step 4: Simplify right side
276,943,377x = 192,310,971,945,496,992 - Step 5: Solve for x
x = 192,310,971,945,496,992/276,943,377 - Step 6: Final answer
x = 694,405,383.62
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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.