Finding the Third Proportional to 844,681 and 1,821,392
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Solution
The third proportional to 844,681 and 1,821,392 is: 3,927,481.28
Step by Step Solution
- Step 1: Write the proportion equation
844,681 : 1,821,392 = 1,821,392 : x - Step 2: Convert to fraction form
844,681/1,821,392 = 1,821,392/x - Step 3: Cross multiply
844,681x = 1,821,392 × 1,821,392 - Step 4: Simplify right side
844,681x = 3,317,468,817,664 - Step 5: Solve for x
x = 3,317,468,817,664/844,681 - Step 6: Final answer
x = 3,927,481.28
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.