Finding the Third Proportional to 346 and 640
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Solution
The third proportional to 346 and 640 is: 1,183.82
Step by Step Solution
- Step 1: Write the proportion equation
346 : 640 = 640 : x - Step 2: Convert to fraction form
346/640 = 640/x - Step 3: Cross multiply
346x = 640 × 640 - Step 4: Simplify right side
346x = 409,600 - Step 5: Solve for x
x = 409,600/346 - Step 6: Final answer
x = 1,183.82
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These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.