Finding the Third Proportional to 351,811.50 and 686,122.50
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Solution
The third proportional to 351,811.50 and 686,122.50 is: 1,338,114.54
Step by Step Solution
- Step 1: Write the proportion equation
351,811.50 : 686,122.50 = 686,122.50 : x - Step 2: Convert to fraction form
351,811.50/686,122.50 = 686,122.50/x - Step 3: Cross multiply
351,811.50x = 686,122.50 × 686,122.50 - Step 4: Simplify right side
351,811.50x = 470,764,085,006.25 - Step 5: Solve for x
x = 470,764,085,006.25/351,811.50 - Step 6: Final answer
x = 1,338,114.54
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These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.