Finding the Third Proportional to 426,334.50 and 615,930.75
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Solution
The third proportional to 426,334.50 and 615,930.75 is: 889,842.81
Step by Step Solution
- Step 1: Write the proportion equation
426,334.50 : 615,930.75 = 615,930.75 : x - Step 2: Convert to fraction form
426,334.50/615,930.75 = 615,930.75/x - Step 3: Cross multiply
426,334.50x = 615,930.75 × 615,930.75 - Step 4: Simplify right side
426,334.50x = 379,370,688,795.56 - Step 5: Solve for x
x = 379,370,688,795.56/426,334.50 - Step 6: Final answer
x = 889,842.81
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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.