Finding the Third Proportional to 142,711.50 and 313,671.75
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Solution
The third proportional to 142,711.50 and 313,671.75 is: 689,432.64
Step by Step Solution
- Step 1: Write the proportion equation
142,711.50 : 313,671.75 = 313,671.75 : x - Step 2: Convert to fraction form
142,711.50/313,671.75 = 313,671.75/x - Step 3: Cross multiply
142,711.50x = 313,671.75 × 313,671.75 - Step 4: Simplify right side
142,711.50x = 98,389,966,748.06 - Step 5: Solve for x
x = 98,389,966,748.06/142,711.50 - Step 6: Final answer
x = 689,432.64
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.