Finding the Third Proportional to 172,796.63 and 378,807.05
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Solution
The third proportional to 172,796.63 and 378,807.05 is: 830,425.82
Step by Step Solution
- Step 1: Write the proportion equation
172,796.63 : 378,807.05 = 378,807.05 : x - Step 2: Convert to fraction form
172,796.63/378,807.05 = 378,807.05/x - Step 3: Cross multiply
172,796.63x = 378,807.05 × 378,807.05 - Step 4: Simplify right side
172,796.63x = 143,494,778,762.16 - Step 5: Solve for x
x = 143,494,778,762.16/172,796.63 - Step 6: Final answer
x = 830,425.82
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.