Finding the Third Proportional to 1,664 and 3,712
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Solution
The third proportional to 1,664 and 3,712 is: 8,280.62
Step by Step Solution
- Step 1: Write the proportion equation
1,664 : 3,712 = 3,712 : x - Step 2: Convert to fraction form
1,664/3,712 = 3,712/x - Step 3: Cross multiply
1,664x = 3,712 × 3,712 - Step 4: Simplify right side
1,664x = 13,778,944 - Step 5: Solve for x
x = 13,778,944/1,664 - Step 6: Final answer
x = 8,280.62
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These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.