Finding the Third Proportional to 142,564 and 307,724
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Solution
The third proportional to 142,564 and 307,724 is: 664,221.40
Step by Step Solution
- Step 1: Write the proportion equation
142,564 : 307,724 = 307,724 : x - Step 2: Convert to fraction form
142,564/307,724 = 307,724/x - Step 3: Cross multiply
142,564x = 307,724 × 307,724 - Step 4: Simplify right side
142,564x = 94,694,060,176 - Step 5: Solve for x
x = 94,694,060,176/142,564 - Step 6: Final answer
x = 664,221.40
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.