Finding the Third Proportional to 678,316 and 1,474,731
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Solution
The third proportional to 678,316 and 1,474,731 is: 3,206,221.76
Step by Step Solution
- Step 1: Write the proportion equation
678,316 : 1,474,731 = 1,474,731 : x - Step 2: Convert to fraction form
678,316/1,474,731 = 1,474,731/x - Step 3: Cross multiply
678,316x = 1,474,731 × 1,474,731 - Step 4: Simplify right side
678,316x = 2,174,831,522,361 - Step 5: Solve for x
x = 2,174,831,522,361/678,316 - Step 6: Final answer
x = 3,206,221.76
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.