Finding the Third Proportional to 640,878.75 and 996,310.13
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Solution
The third proportional to 640,878.75 and 996,310.13 is: 1,548,863.75
Step by Step Solution
- Step 1: Write the proportion equation
640,878.75 : 996,310.13 = 996,310.13 : x - Step 2: Convert to fraction form
640,878.75/996,310.13 = 996,310.13/x - Step 3: Cross multiply
640,878.75x = 996,310.13 × 996,310.13 - Step 4: Simplify right side
640,878.75x = 992,633,865,177.52 - Step 5: Solve for x
x = 992,633,865,177.52/640,878.75 - Step 6: Final answer
x = 1,548,863.75
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.