Finding the Third Proportional to 422,263.50 and 616,981.50
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Solution
The third proportional to 422,263.50 and 616,981.50 is: 901,489.64
Step by Step Solution
- Step 1: Write the proportion equation
422,263.50 : 616,981.50 = 616,981.50 : x - Step 2: Convert to fraction form
422,263.50/616,981.50 = 616,981.50/x - Step 3: Cross multiply
422,263.50x = 616,981.50 × 616,981.50 - Step 4: Simplify right side
422,263.50x = 380,666,171,342.25 - Step 5: Solve for x
x = 380,666,171,342.25/422,263.50 - Step 6: Final answer
x = 901,489.64
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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.