Finding the Third Proportional to 208,111.78 and 455,430.09
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Solution
The third proportional to 208,111.78 and 455,430.09 is: 996,659.43
Step by Step Solution
- Step 1: Write the proportion equation
208,111.78 : 455,430.09 = 455,430.09 : x - Step 2: Convert to fraction form
208,111.78/455,430.09 = 455,430.09/x - Step 3: Cross multiply
208,111.78x = 455,430.09 × 455,430.09 - Step 4: Simplify right side
208,111.78x = 207,416,570,293.13 - Step 5: Solve for x
x = 207,416,570,293.13/208,111.78 - Step 6: Final answer
x = 996,659.43
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.