Finding the Third Proportional to 388,588.88 and 840,378.75
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Solution
The third proportional to 388,588.88 and 840,378.75 is: 1,817,438.66
Step by Step Solution
- Step 1: Write the proportion equation
388,588.88 : 840,378.75 = 840,378.75 : x - Step 2: Convert to fraction form
388,588.88/840,378.75 = 840,378.75/x - Step 3: Cross multiply
388,588.88x = 840,378.75 × 840,378.75 - Step 4: Simplify right side
388,588.88x = 706,236,443,451.56 - Step 5: Solve for x
x = 706,236,443,451.56/388,588.88 - Step 6: Final answer
x = 1,817,438.66
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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.