Finding the Third Proportional to 288,405 and 632,970
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Solution
The third proportional to 288,405 and 632,970 is: 1,389,195.82
Step by Step Solution
- Step 1: Write the proportion equation
288,405 : 632,970 = 632,970 : x - Step 2: Convert to fraction form
288,405/632,970 = 632,970/x - Step 3: Cross multiply
288,405x = 632,970 × 632,970 - Step 4: Simplify right side
288,405x = 400,651,020,900 - Step 5: Solve for x
x = 400,651,020,900/288,405 - Step 6: Final answer
x = 1,389,195.82
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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.