Finding the Third Proportional to 644,135 and 1,399,261
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Solution
The third proportional to 644,135 and 1,399,261 is: 3,039,628.88
Step by Step Solution
- Step 1: Write the proportion equation
644,135 : 1,399,261 = 1,399,261 : x - Step 2: Convert to fraction form
644,135/1,399,261 = 1,399,261/x - Step 3: Cross multiply
644,135x = 1,399,261 × 1,399,261 - Step 4: Simplify right side
644,135x = 1,957,931,346,121 - Step 5: Solve for x
x = 1,957,931,346,121/644,135 - Step 6: Final answer
x = 3,039,628.88
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.