Finding the Third Proportional to 7,812,977.77 and 17,138,676.09
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Solution
The third proportional to 7,812,977.77 and 17,138,676.09 is: 37,595,680.81
Step by Step Solution
- Step 1: Write the proportion equation
7,812,977.77 : 17,138,676.09 = 17,138,676.09 : x - Step 2: Convert to fraction form
7,812,977.77/17,138,676.09 = 17,138,676.09/x - Step 3: Cross multiply
7,812,977.77x = 17,138,676.09 × 17,138,676.09 - Step 4: Simplify right side
7,812,977.77x = 293,734,218,246,477.75 - Step 5: Solve for x
x = 293,734,218,246,477.75/7,812,977.77 - Step 6: Final answer
x = 37,595,680.81
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.