Finding the Third Proportional to 170,421.75 and 358,818.75
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Solution
The third proportional to 170,421.75 and 358,818.75 is: 755,483.94
Step by Step Solution
- Step 1: Write the proportion equation
170,421.75 : 358,818.75 = 358,818.75 : x - Step 2: Convert to fraction form
170,421.75/358,818.75 = 358,818.75/x - Step 3: Cross multiply
170,421.75x = 358,818.75 × 358,818.75 - Step 4: Simplify right side
170,421.75x = 128,750,895,351.56 - Step 5: Solve for x
x = 128,750,895,351.56/170,421.75 - Step 6: Final answer
x = 755,483.94
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These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.