Finding the Third Proportional to 388,239.75 and 830,454.75
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Solution
The third proportional to 388,239.75 and 830,454.75 is: 1,776,363.94
Step by Step Solution
- Step 1: Write the proportion equation
388,239.75 : 830,454.75 = 830,454.75 : x - Step 2: Convert to fraction form
388,239.75/830,454.75 = 830,454.75/x - Step 3: Cross multiply
388,239.75x = 830,454.75 × 830,454.75 - Step 4: Simplify right side
388,239.75x = 689,655,091,797.56 - Step 5: Solve for x
x = 689,655,091,797.56/388,239.75 - Step 6: Final answer
x = 1,776,363.94
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.