Finding the Third Proportional to 449,128.13 and 645,657.75
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Solution
The third proportional to 449,128.13 and 645,657.75 is: 928,184.87
Step by Step Solution
- Step 1: Write the proportion equation
449,128.13 : 645,657.75 = 645,657.75 : x - Step 2: Convert to fraction form
449,128.13/645,657.75 = 645,657.75/x - Step 3: Cross multiply
449,128.13x = 645,657.75 × 645,657.75 - Step 4: Simplify right side
449,128.13x = 416,873,930,135.06 - Step 5: Solve for x
x = 416,873,930,135.06/449,128.13 - Step 6: Final answer
x = 928,184.87
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Why These Related Problems?
These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.