Finding the Third Proportional to 218,619.75 and 478,117.50
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Solution
The third proportional to 218,619.75 and 478,117.50 is: 1,045,634.46
Step by Step Solution
- Step 1: Write the proportion equation
218,619.75 : 478,117.50 = 478,117.50 : x - Step 2: Convert to fraction form
218,619.75/478,117.50 = 478,117.50/x - Step 3: Cross multiply
218,619.75x = 478,117.50 × 478,117.50 - Step 4: Simplify right side
218,619.75x = 228,596,343,806.25 - Step 5: Solve for x
x = 228,596,343,806.25/218,619.75 - Step 6: Final answer
x = 1,045,634.46
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.