Finding the Third Proportional to 421,374.66 and 928,639.69
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Solution
The third proportional to 421,374.66 and 928,639.69 is: 2,046,567.48
Step by Step Solution
- Step 1: Write the proportion equation
421,374.66 : 928,639.69 = 928,639.69 : x - Step 2: Convert to fraction form
421,374.66/928,639.69 = 928,639.69/x - Step 3: Cross multiply
421,374.66x = 928,639.69 × 928,639.69 - Step 4: Simplify right side
421,374.66x = 862,371,669,200.10 - Step 5: Solve for x
x = 862,371,669,200.10/421,374.66 - Step 6: Final answer
x = 2,046,567.48
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.