Finding the Third Proportional to 817,889 and 1,787,410
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Solution
The third proportional to 817,889 and 1,787,410 is: 3,906,195.72
Step by Step Solution
- Step 1: Write the proportion equation
817,889 : 1,787,410 = 1,787,410 : x - Step 2: Convert to fraction form
817,889/1,787,410 = 1,787,410/x - Step 3: Cross multiply
817,889x = 1,787,410 × 1,787,410 - Step 4: Simplify right side
817,889x = 3,194,834,508,100 - Step 5: Solve for x
x = 3,194,834,508,100/817,889 - Step 6: Final answer
x = 3,906,195.72
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.