Finding the Third Proportional to 240 and 307
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Solution
The third proportional to 240 and 307 is: 392.70
Step by Step Solution
- Step 1: Write the proportion equation
240 : 307 = 307 : x - Step 2: Convert to fraction form
240/307 = 307/x - Step 3: Cross multiply
240x = 307 × 307 - Step 4: Simplify right side
240x = 94,249 - Step 5: Solve for x
x = 94,249/240 - Step 6: Final answer
x = 392.70
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These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.