Finding the Third Proportional to 453,465 and 989,823
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Solution
The third proportional to 453,465 and 989,823 is: 2,160,584.77
Step by Step Solution
- Step 1: Write the proportion equation
453,465 : 989,823 = 989,823 : x - Step 2: Convert to fraction form
453,465/989,823 = 989,823/x - Step 3: Cross multiply
453,465x = 989,823 × 989,823 - Step 4: Simplify right side
453,465x = 979,749,571,329 - Step 5: Solve for x
x = 979,749,571,329/453,465 - Step 6: Final answer
x = 2,160,584.77
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.