Finding the Third Proportional to 129,316.50 and 201,831.75
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Solution
The third proportional to 129,316.50 and 201,831.75 is: 315,010.50
Step by Step Solution
- Step 1: Write the proportion equation
129,316.50 : 201,831.75 = 201,831.75 : x - Step 2: Convert to fraction form
129,316.50/201,831.75 = 201,831.75/x - Step 3: Cross multiply
129,316.50x = 201,831.75 × 201,831.75 - Step 4: Simplify right side
129,316.50x = 40,736,055,308.06 - Step 5: Solve for x
x = 40,736,055,308.06/129,316.50 - Step 6: Final answer
x = 315,010.50
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.