Finding the Third Proportional to 643,276.25 and 1,375,081
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Solution
The third proportional to 643,276.25 and 1,375,081 is: 2,939,402.41
Step by Step Solution
- Step 1: Write the proportion equation
643,276.25 : 1,375,081 = 1,375,081 : x - Step 2: Convert to fraction form
643,276.25/1,375,081 = 1,375,081/x - Step 3: Cross multiply
643,276.25x = 1,375,081 × 1,375,081 - Step 4: Simplify right side
643,276.25x = 1,890,847,756,561 - Step 5: Solve for x
x = 1,890,847,756,561/643,276.25 - Step 6: Final answer
x = 2,939,402.41
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.