Finding the Third Proportional to 378,757.50 and 828,781.50
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Solution
The third proportional to 378,757.50 and 828,781.50 is: 1,813,505.41
Step by Step Solution
- Step 1: Write the proportion equation
378,757.50 : 828,781.50 = 828,781.50 : x - Step 2: Convert to fraction form
378,757.50/828,781.50 = 828,781.50/x - Step 3: Cross multiply
378,757.50x = 828,781.50 × 828,781.50 - Step 4: Simplify right side
378,757.50x = 686,878,774,742.25 - Step 5: Solve for x
x = 686,878,774,742.25/378,757.50 - Step 6: Final answer
x = 1,813,505.41
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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.