Finding the Third Proportional to 961,474 and 1,392,639
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Solution
The third proportional to 961,474 and 1,392,639 is: 2,017,156.35
Step by Step Solution
- Step 1: Write the proportion equation
961,474 : 1,392,639 = 1,392,639 : x - Step 2: Convert to fraction form
961,474/1,392,639 = 1,392,639/x - Step 3: Cross multiply
961,474x = 1,392,639 × 1,392,639 - Step 4: Simplify right side
961,474x = 1,939,443,384,321 - Step 5: Solve for x
x = 1,939,443,384,321/961,474 - Step 6: Final answer
x = 2,017,156.35
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Why These Related Problems?
These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.