Finding the Third Proportional to 307,812,901,879.98 and 661,950,587,037.08
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Solution
The third proportional to 307,812,901,879.98 and 661,950,587,037.08 is: 1,423,522,461,217.65
Step by Step Solution
- Step 1: Write the proportion equation
307,812,901,879.98 : 661,950,587,037.08 = 661,950,587,037.08 : x - Step 2: Convert to fraction form
307,812,901,879.98/661,950,587,037.08 = 661,950,587,037.08/x - Step 3: Cross multiply
307,812,901,879.98x = 661,950,587,037.08 × 661,950,587,037.08 - Step 4: Simplify right side
307,812,901,879.98x = 438,178,579,678,734,785,183,744 - Step 5: Solve for x
x = 438,178,579,678,734,785,183,744/307,812,901,879.98 - Step 6: Final answer
x = 1,423,522,461,217.65
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.