Finding the Third Proportional to 929,947 and 1,971,505
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Solution
The third proportional to 929,947 and 1,971,505 is: 4,179,627.40
Step by Step Solution
- Step 1: Write the proportion equation
929,947 : 1,971,505 = 1,971,505 : x - Step 2: Convert to fraction form
929,947/1,971,505 = 1,971,505/x - Step 3: Cross multiply
929,947x = 1,971,505 × 1,971,505 - Step 4: Simplify right side
929,947x = 3,886,831,965,025 - Step 5: Solve for x
x = 3,886,831,965,025/929,947 - Step 6: Final answer
x = 4,179,627.40
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.