Finding the Third Proportional to 256,137.75 and 368,970.75
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Solution
The third proportional to 256,137.75 and 368,970.75 is: 531,508.59
Step by Step Solution
- Step 1: Write the proportion equation
256,137.75 : 368,970.75 = 368,970.75 : x - Step 2: Convert to fraction form
256,137.75/368,970.75 = 368,970.75/x - Step 3: Cross multiply
256,137.75x = 368,970.75 × 368,970.75 - Step 4: Simplify right side
256,137.75x = 136,139,414,355.56 - Step 5: Solve for x
x = 136,139,414,355.56/256,137.75 - Step 6: Final answer
x = 531,508.59
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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.