Finding the Third Proportional to 387,742.50 and 558,465.75
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Solution
The third proportional to 387,742.50 and 558,465.75 is: 804,358.55
Step by Step Solution
- Step 1: Write the proportion equation
387,742.50 : 558,465.75 = 558,465.75 : x - Step 2: Convert to fraction form
387,742.50/558,465.75 = 558,465.75/x - Step 3: Cross multiply
387,742.50x = 558,465.75 × 558,465.75 - Step 4: Simplify right side
387,742.50x = 311,883,993,923.06 - Step 5: Solve for x
x = 311,883,993,923.06/387,742.50 - Step 6: Final answer
x = 804,358.55
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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.