Finding the Third Proportional to 6,478,720 and 14,177,660
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Solution
The third proportional to 6,478,720 and 14,177,660 is: 31,025,579.60
Step by Step Solution
- Step 1: Write the proportion equation
6,478,720 : 14,177,660 = 14,177,660 : x - Step 2: Convert to fraction form
6,478,720/14,177,660 = 14,177,660/x - Step 3: Cross multiply
6,478,720x = 14,177,660 × 14,177,660 - Step 4: Simplify right side
6,478,720x = 201,006,043,075,600 - Step 5: Solve for x
x = 201,006,043,075,600/6,478,720 - Step 6: Final answer
x = 31,025,579.60
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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.