Finding the Third Proportional to 3,421.13 and 6,909.75
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Solution
The third proportional to 3,421.13 and 6,909.75 is: 13,955.83
Step by Step Solution
- Step 1: Write the proportion equation
3,421.13 : 6,909.75 = 6,909.75 : x - Step 2: Convert to fraction form
3,421.13/6,909.75 = 6,909.75/x - Step 3: Cross multiply
3,421.13x = 6,909.75 × 6,909.75 - Step 4: Simplify right side
3,421.13x = 47,744,645.06 - Step 5: Solve for x
x = 47,744,645.06/3,421.13 - Step 6: Final answer
x = 13,955.83
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These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.