Finding the Third Proportional to 286,926.05 and 421,639.17
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Solution
The third proportional to 286,926.05 and 421,639.17 is: 619,600.74
Step by Step Solution
- Step 1: Write the proportion equation
286,926.05 : 421,639.17 = 421,639.17 : x - Step 2: Convert to fraction form
286,926.05/421,639.17 = 421,639.17/x - Step 3: Cross multiply
286,926.05x = 421,639.17 × 421,639.17 - Step 4: Simplify right side
286,926.05x = 177,779,591,259.44 - Step 5: Solve for x
x = 177,779,591,259.44/286,926.05 - Step 6: Final answer
x = 619,600.74
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.