Finding the Third Proportional to 10,698 and 19,020
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Solution
The third proportional to 10,698 and 19,020 is: 33,815.70
Step by Step Solution
- Step 1: Write the proportion equation
10,698 : 19,020 = 19,020 : x - Step 2: Convert to fraction form
10,698/19,020 = 19,020/x - Step 3: Cross multiply
10,698x = 19,020 × 19,020 - Step 4: Simplify right side
10,698x = 361,760,400 - Step 5: Solve for x
x = 361,760,400/10,698 - Step 6: Final answer
x = 33,815.70
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Why These Related Problems?
These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.