Finding the Third Proportional to 9,988.50 and 14,388
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Solution
The third proportional to 9,988.50 and 14,388 is: 20,725.29
Step by Step Solution
- Step 1: Write the proportion equation
9,988.50 : 14,388 = 14,388 : x - Step 2: Convert to fraction form
9,988.50/14,388 = 14,388/x - Step 3: Cross multiply
9,988.50x = 14,388 × 14,388 - Step 4: Simplify right side
9,988.50x = 207,014,544 - Step 5: Solve for x
x = 207,014,544/9,988.50 - Step 6: Final answer
x = 20,725.29
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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.