Finding the Third Proportional to 7,929.75 and 17,430.75
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Solution
The third proportional to 7,929.75 and 17,430.75 is: 38,315.34
Step by Step Solution
- Step 1: Write the proportion equation
7,929.75 : 17,430.75 = 17,430.75 : x - Step 2: Convert to fraction form
7,929.75/17,430.75 = 17,430.75/x - Step 3: Cross multiply
7,929.75x = 17,430.75 × 17,430.75 - Step 4: Simplify right side
7,929.75x = 303,831,045.56 - Step 5: Solve for x
x = 303,831,045.56/7,929.75 - Step 6: Final answer
x = 38,315.34
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.