Finding the Third Proportional to 278,552.25 and 430,606.13
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Solution
The third proportional to 278,552.25 and 430,606.13 is: 665,661.95
Step by Step Solution
- Step 1: Write the proportion equation
278,552.25 : 430,606.13 = 430,606.13 : x - Step 2: Convert to fraction form
278,552.25/430,606.13 = 430,606.13/x - Step 3: Cross multiply
278,552.25x = 430,606.13 × 430,606.13 - Step 4: Simplify right side
278,552.25x = 185,421,634,887.52 - Step 5: Solve for x
x = 185,421,634,887.52/278,552.25 - Step 6: Final answer
x = 665,661.95
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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.