Finding the Third Proportional to 1,636 and 3,432
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Solution
The third proportional to 1,636 and 3,432 is: 7,199.65
Step by Step Solution
- Step 1: Write the proportion equation
1,636 : 3,432 = 3,432 : x - Step 2: Convert to fraction form
1,636/3,432 = 3,432/x - Step 3: Cross multiply
1,636x = 3,432 × 3,432 - Step 4: Simplify right side
1,636x = 11,778,624 - Step 5: Solve for x
x = 11,778,624/1,636 - Step 6: Final answer
x = 7,199.65
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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.