Finding the Third Proportional to 8,878,686 and 19,485,561
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Solution
The third proportional to 8,878,686 and 19,485,561 is: 42,763,882.80
Step by Step Solution
- Step 1: Write the proportion equation
8,878,686 : 19,485,561 = 19,485,561 : x - Step 2: Convert to fraction form
8,878,686/19,485,561 = 19,485,561/x - Step 3: Cross multiply
8,878,686x = 19,485,561 × 19,485,561 - Step 4: Simplify right side
8,878,686x = 379,687,087,484,721 - Step 5: Solve for x
x = 379,687,087,484,721/8,878,686 - Step 6: Final answer
x = 42,763,882.80
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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.