Finding the Third Proportional to 657,325.50 and 990,315.75
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Solution
The third proportional to 657,325.50 and 990,315.75 is: 1,491,993.37
Step by Step Solution
- Step 1: Write the proportion equation
657,325.50 : 990,315.75 = 990,315.75 : x - Step 2: Convert to fraction form
657,325.50/990,315.75 = 990,315.75/x - Step 3: Cross multiply
657,325.50x = 990,315.75 × 990,315.75 - Step 4: Simplify right side
657,325.50x = 980,725,284,698.06 - Step 5: Solve for x
x = 980,725,284,698.06/657,325.50 - Step 6: Final answer
x = 1,491,993.37
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.