Finding the Third Proportional to 618,724 and 1,310,660
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Solution
The third proportional to 618,724 and 1,310,660 is: 2,776,406.99
Step by Step Solution
- Step 1: Write the proportion equation
618,724 : 1,310,660 = 1,310,660 : x - Step 2: Convert to fraction form
618,724/1,310,660 = 1,310,660/x - Step 3: Cross multiply
618,724x = 1,310,660 × 1,310,660 - Step 4: Simplify right side
618,724x = 1,717,829,635,600 - Step 5: Solve for x
x = 1,717,829,635,600/618,724 - Step 6: Final answer
x = 2,776,406.99
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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.