Finding the Third Proportional to 286,679.25 and 430,737.75
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Solution
The third proportional to 286,679.25 and 430,737.75 is: 647,186.74
Step by Step Solution
- Step 1: Write the proportion equation
286,679.25 : 430,737.75 = 430,737.75 : x - Step 2: Convert to fraction form
286,679.25/430,737.75 = 430,737.75/x - Step 3: Cross multiply
286,679.25x = 430,737.75 × 430,737.75 - Step 4: Simplify right side
286,679.25x = 185,535,009,275.06 - Step 5: Solve for x
x = 185,535,009,275.06/286,679.25 - Step 6: Final answer
x = 647,186.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.