Finding the Third Proportional to 357 and 628.50
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Solution
The third proportional to 357 and 628.50 is: 1,106.48
Step by Step Solution
- Step 1: Write the proportion equation
357 : 628.50 = 628.50 : x - Step 2: Convert to fraction form
357/628.50 = 628.50/x - Step 3: Cross multiply
357x = 628.50 × 628.50 - Step 4: Simplify right side
357x = 395,012.25 - Step 5: Solve for x
x = 395,012.25/357 - Step 6: Final answer
x = 1,106.48
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These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.