Finding the Third Proportional to 102,388.50 and 221,424.75
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Solution
The third proportional to 102,388.50 and 221,424.75 is: 478,851.82
Step by Step Solution
- Step 1: Write the proportion equation
102,388.50 : 221,424.75 = 221,424.75 : x - Step 2: Convert to fraction form
102,388.50/221,424.75 = 221,424.75/x - Step 3: Cross multiply
102,388.50x = 221,424.75 × 221,424.75 - Step 4: Simplify right side
102,388.50x = 49,028,919,912.56 - Step 5: Solve for x
x = 49,028,919,912.56/102,388.50 - Step 6: Final answer
x = 478,851.82
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.