Finding the Third Proportional to 470.50 and 1,031
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Solution
The third proportional to 470.50 and 1,031 is: 2,259.22
Step by Step Solution
- Step 1: Write the proportion equation
470.50 : 1,031 = 1,031 : x - Step 2: Convert to fraction form
470.50/1,031 = 1,031/x - Step 3: Cross multiply
470.50x = 1,031 × 1,031 - Step 4: Simplify right side
470.50x = 1,062,961 - Step 5: Solve for x
x = 1,062,961/470.50 - Step 6: Final answer
x = 2,259.22
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.