Finding the Third Proportional to 390,071,563.31 and 534,882,889.97
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Solution
The third proportional to 390,071,563.31 and 534,882,889.97 is: 733,454,403.99
Step by Step Solution
- Step 1: Write the proportion equation
390,071,563.31 : 534,882,889.97 = 534,882,889.97 : x - Step 2: Convert to fraction form
390,071,563.31/534,882,889.97 = 534,882,889.97/x - Step 3: Cross multiply
390,071,563.31x = 534,882,889.97 × 534,882,889.97 - Step 4: Simplify right side
390,071,563.31x = 286,099,705,981,321,920 - Step 5: Solve for x
x = 286,099,705,981,321,920/390,071,563.31 - Step 6: Final answer
x = 733,454,403.99
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.