Finding the Third Proportional to 307,138.50 and 485,652.75
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Solution
The third proportional to 307,138.50 and 485,652.75 is: 767,922.59
Step by Step Solution
- Step 1: Write the proportion equation
307,138.50 : 485,652.75 = 485,652.75 : x - Step 2: Convert to fraction form
307,138.50/485,652.75 = 485,652.75/x - Step 3: Cross multiply
307,138.50x = 485,652.75 × 485,652.75 - Step 4: Simplify right side
307,138.50x = 235,858,593,582.56 - Step 5: Solve for x
x = 235,858,593,582.56/307,138.50 - Step 6: Final answer
x = 767,922.59
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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.