Finding the Third Proportional to 254,648.81 and 387,509.06
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Solution
The third proportional to 254,648.81 and 387,509.06 is: 589,687.70
Step by Step Solution
- Step 1: Write the proportion equation
254,648.81 : 387,509.06 = 387,509.06 : x - Step 2: Convert to fraction form
254,648.81/387,509.06 = 387,509.06/x - Step 3: Cross multiply
254,648.81x = 387,509.06 × 387,509.06 - Step 4: Simplify right side
254,648.81x = 150,163,273,519.63 - Step 5: Solve for x
x = 150,163,273,519.63/254,648.81 - Step 6: Final answer
x = 589,687.70
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.