Finding the Third Proportional to 753 and 1,076
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Solution
The third proportional to 753 and 1,076 is: 1,537.55
Step by Step Solution
- Step 1: Write the proportion equation
753 : 1,076 = 1,076 : x - Step 2: Convert to fraction form
753/1,076 = 1,076/x - Step 3: Cross multiply
753x = 1,076 × 1,076 - Step 4: Simplify right side
753x = 1,157,776 - Step 5: Solve for x
x = 1,157,776/753 - Step 6: Final answer
x = 1,537.55
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.