Finding the Third Proportional to 67,688,921.25 and 104,638,434.75
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Solution
The third proportional to 67,688,921.25 and 104,638,434.75 is: 161,757,667.65
Step by Step Solution
- Step 1: Write the proportion equation
67,688,921.25 : 104,638,434.75 = 104,638,434.75 : x - Step 2: Convert to fraction form
67,688,921.25/104,638,434.75 = 104,638,434.75/x - Step 3: Cross multiply
67,688,921.25x = 104,638,434.75 × 104,638,434.75 - Step 4: Simplify right side
67,688,921.25x = 10,949,202,026,930,008 - Step 5: Solve for x
x = 10,949,202,026,930,008/67,688,921.25 - Step 6: Final answer
x = 161,757,667.65
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.