Finding the Third Proportional to 79,788 and 103,522.50
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Solution
The third proportional to 79,788 and 103,522.50 is: 134,317.29
Step by Step Solution
- Step 1: Write the proportion equation
79,788 : 103,522.50 = 103,522.50 : x - Step 2: Convert to fraction form
79,788/103,522.50 = 103,522.50/x - Step 3: Cross multiply
79,788x = 103,522.50 × 103,522.50 - Step 4: Simplify right side
79,788x = 10,716,908,006.25 - Step 5: Solve for x
x = 10,716,908,006.25/79,788 - Step 6: Final answer
x = 134,317.29
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Why These Related Problems?
These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.