Finding the Third Proportional to 961,422 and 1,392,561
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Solution
The third proportional to 961,422 and 1,392,561 is: 2,017,039.49
Step by Step Solution
- Step 1: Write the proportion equation
961,422 : 1,392,561 = 1,392,561 : x - Step 2: Convert to fraction form
961,422/1,392,561 = 1,392,561/x - Step 3: Cross multiply
961,422x = 1,392,561 × 1,392,561 - Step 4: Simplify right side
961,422x = 1,939,226,138,721 - Step 5: Solve for x
x = 1,939,226,138,721/961,422 - Step 6: Final answer
x = 2,017,039.49
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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.