Finding the Third Proportional to 399,249 and 864,958.50
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Solution
The third proportional to 399,249 and 864,958.50 is: 1,873,901.27
Step by Step Solution
- Step 1: Write the proportion equation
399,249 : 864,958.50 = 864,958.50 : x - Step 2: Convert to fraction form
399,249/864,958.50 = 864,958.50/x - Step 3: Cross multiply
399,249x = 864,958.50 × 864,958.50 - Step 4: Simplify right side
399,249x = 748,153,206,722.25 - Step 5: Solve for x
x = 748,153,206,722.25/399,249 - Step 6: Final answer
x = 1,873,901.27
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.