Finding the Third Proportional to 665 and 945.50
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Solution
The third proportional to 665 and 945.50 is: 1,344.32
Step by Step Solution
- Step 1: Write the proportion equation
665 : 945.50 = 945.50 : x - Step 2: Convert to fraction form
665/945.50 = 945.50/x - Step 3: Cross multiply
665x = 945.50 × 945.50 - Step 4: Simplify right side
665x = 893,970.25 - Step 5: Solve for x
x = 893,970.25/665 - Step 6: Final answer
x = 1,344.32
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Why These Related Problems?
These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.