Finding the Third Proportional to 6,486.75 and 9,129.75
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Solution
The third proportional to 6,486.75 and 9,129.75 is: 12,849.63
Step by Step Solution
- Step 1: Write the proportion equation
6,486.75 : 9,129.75 = 9,129.75 : x - Step 2: Convert to fraction form
6,486.75/9,129.75 = 9,129.75/x - Step 3: Cross multiply
6,486.75x = 9,129.75 × 9,129.75 - Step 4: Simplify right side
6,486.75x = 83,352,335.06 - Step 5: Solve for x
x = 83,352,335.06/6,486.75 - Step 6: Final answer
x = 12,849.63
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These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.