Finding the Third Proportional to 172,347.75 and 257,478.75
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Solution
The third proportional to 172,347.75 and 257,478.75 is: 384,660.12
Step by Step Solution
- Step 1: Write the proportion equation
172,347.75 : 257,478.75 = 257,478.75 : x - Step 2: Convert to fraction form
172,347.75/257,478.75 = 257,478.75/x - Step 3: Cross multiply
172,347.75x = 257,478.75 × 257,478.75 - Step 4: Simplify right side
172,347.75x = 66,295,306,701.56 - Step 5: Solve for x
x = 66,295,306,701.56/172,347.75 - Step 6: Final answer
x = 384,660.12
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.