Finding the Third Proportional to 7,309.13 and 11,390.63
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Solution
The third proportional to 7,309.13 and 11,390.63 is: 17,751.28
Step by Step Solution
- Step 1: Write the proportion equation
7,309.13 : 11,390.63 = 11,390.63 : x - Step 2: Convert to fraction form
7,309.13/11,390.63 = 11,390.63/x - Step 3: Cross multiply
7,309.13x = 11,390.63 × 11,390.63 - Step 4: Simplify right side
7,309.13x = 129,746,337.89 - Step 5: Solve for x
x = 129,746,337.89/7,309.13 - Step 6: Final answer
x = 17,751.28
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.