Finding the Third Proportional to 307,910 and 676,300
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Solution
The third proportional to 307,910 and 676,300 is: 1,485,439.54
Step by Step Solution
- Step 1: Write the proportion equation
307,910 : 676,300 = 676,300 : x - Step 2: Convert to fraction form
307,910/676,300 = 676,300/x - Step 3: Cross multiply
307,910x = 676,300 × 676,300 - Step 4: Simplify right side
307,910x = 457,381,690,000 - Step 5: Solve for x
x = 457,381,690,000/307,910 - Step 6: Final answer
x = 1,485,439.54
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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.