Finding the Third Proportional to 256,009.50 and 368,763.75
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Solution
The third proportional to 256,009.50 and 368,763.75 is: 531,178.35
Step by Step Solution
- Step 1: Write the proportion equation
256,009.50 : 368,763.75 = 368,763.75 : x - Step 2: Convert to fraction form
256,009.50/368,763.75 = 368,763.75/x - Step 3: Cross multiply
256,009.50x = 368,763.75 × 368,763.75 - Step 4: Simplify right side
256,009.50x = 135,986,703,314.06 - Step 5: Solve for x
x = 135,986,703,314.06/256,009.50 - Step 6: Final answer
x = 531,178.35
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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.