Finding the Third Proportional to 121,470.75 and 190,534.50
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Solution
The third proportional to 121,470.75 and 190,534.50 is: 298,865.33
Step by Step Solution
- Step 1: Write the proportion equation
121,470.75 : 190,534.50 = 190,534.50 : x - Step 2: Convert to fraction form
121,470.75/190,534.50 = 190,534.50/x - Step 3: Cross multiply
121,470.75x = 190,534.50 × 190,534.50 - Step 4: Simplify right side
121,470.75x = 36,303,395,690.25 - Step 5: Solve for x
x = 36,303,395,690.25/121,470.75 - Step 6: Final answer
x = 298,865.33
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.