Finding the Third Proportional to 393,808.50 and 858,885.75
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Solution
The third proportional to 393,808.50 and 858,885.75 is: 1,873,206.73
Step by Step Solution
- Step 1: Write the proportion equation
393,808.50 : 858,885.75 = 858,885.75 : x - Step 2: Convert to fraction form
393,808.50/858,885.75 = 858,885.75/x - Step 3: Cross multiply
393,808.50x = 858,885.75 × 858,885.75 - Step 4: Simplify right side
393,808.50x = 737,684,731,553.06 - Step 5: Solve for x
x = 737,684,731,553.06/393,808.50 - Step 6: Final answer
x = 1,873,206.73
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.