Finding the Third Proportional to 139,911.75 and 299,454.75
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Solution
The third proportional to 139,911.75 and 299,454.75 is: 640,926.49
Step by Step Solution
- Step 1: Write the proportion equation
139,911.75 : 299,454.75 = 299,454.75 : x - Step 2: Convert to fraction form
139,911.75/299,454.75 = 299,454.75/x - Step 3: Cross multiply
139,911.75x = 299,454.75 × 299,454.75 - Step 4: Simplify right side
139,911.75x = 89,673,147,297.56 - Step 5: Solve for x
x = 89,673,147,297.56/139,911.75 - Step 6: Final answer
x = 640,926.49
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.