Finding the Third Proportional to 629 and 1,354.50
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Solution
The third proportional to 629 and 1,354.50 is: 2,916.80
Step by Step Solution
- Step 1: Write the proportion equation
629 : 1,354.50 = 1,354.50 : x - Step 2: Convert to fraction form
629/1,354.50 = 1,354.50/x - Step 3: Cross multiply
629x = 1,354.50 × 1,354.50 - Step 4: Simplify right side
629x = 1,834,670.25 - Step 5: Solve for x
x = 1,834,670.25/629 - Step 6: Final answer
x = 2,916.80
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.