Finding the Third Proportional to 4,215.75 and 6,699.75
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Solution
The third proportional to 4,215.75 and 6,699.75 is: 10,647.37
Step by Step Solution
- Step 1: Write the proportion equation
4,215.75 : 6,699.75 = 6,699.75 : x - Step 2: Convert to fraction form
4,215.75/6,699.75 = 6,699.75/x - Step 3: Cross multiply
4,215.75x = 6,699.75 × 6,699.75 - Step 4: Simplify right side
4,215.75x = 44,886,650.06 - Step 5: Solve for x
x = 44,886,650.06/4,215.75 - Step 6: Final answer
x = 10,647.37
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.