Finding the Third Proportional to 71,455.50 and 157,009.50
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Solution
The third proportional to 71,455.50 and 157,009.50 is: 344,997.70
Step by Step Solution
- Step 1: Write the proportion equation
71,455.50 : 157,009.50 = 157,009.50 : x - Step 2: Convert to fraction form
71,455.50/157,009.50 = 157,009.50/x - Step 3: Cross multiply
71,455.50x = 157,009.50 × 157,009.50 - Step 4: Simplify right side
71,455.50x = 24,651,983,090.25 - Step 5: Solve for x
x = 24,651,983,090.25/71,455.50 - Step 6: Final answer
x = 344,997.70
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.