Finding the Third Proportional to 209,962.13 and 318,831.19
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Solution
The third proportional to 209,962.13 and 318,831.19 is: 484,150.78
Step by Step Solution
- Step 1: Write the proportion equation
209,962.13 : 318,831.19 = 318,831.19 : x - Step 2: Convert to fraction form
209,962.13/318,831.19 = 318,831.19/x - Step 3: Cross multiply
209,962.13x = 318,831.19 × 318,831.19 - Step 4: Simplify right side
209,962.13x = 101,653,326,122.66 - Step 5: Solve for x
x = 101,653,326,122.66/209,962.13 - Step 6: Final answer
x = 484,150.78
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.