Finding the Third Proportional to 79,020 and 115,410
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Solution
The third proportional to 79,020 and 115,410 is: 168,558.19
Step by Step Solution
- Step 1: Write the proportion equation
79,020 : 115,410 = 115,410 : x - Step 2: Convert to fraction form
79,020/115,410 = 115,410/x - Step 3: Cross multiply
79,020x = 115,410 × 115,410 - Step 4: Simplify right side
79,020x = 13,319,468,100 - Step 5: Solve for x
x = 13,319,468,100/79,020 - Step 6: Final answer
x = 168,558.19
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.