Finding the Third Proportional to 626 and 1,388
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Solution
The third proportional to 626 and 1,388 is: 3,077.55
Step by Step Solution
- Step 1: Write the proportion equation
626 : 1,388 = 1,388 : x - Step 2: Convert to fraction form
626/1,388 = 1,388/x - Step 3: Cross multiply
626x = 1,388 × 1,388 - Step 4: Simplify right side
626x = 1,926,544 - Step 5: Solve for x
x = 1,926,544/626 - Step 6: Final answer
x = 3,077.55
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These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.