Finding the Third Proportional to 8,242,102 and 18,128,560
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Solution
The third proportional to 8,242,102 and 18,128,560 is: 39,873,892.32
Step by Step Solution
- Step 1: Write the proportion equation
8,242,102 : 18,128,560 = 18,128,560 : x - Step 2: Convert to fraction form
8,242,102/18,128,560 = 18,128,560/x - Step 3: Cross multiply
8,242,102x = 18,128,560 × 18,128,560 - Step 4: Simplify right side
8,242,102x = 328,644,687,673,600 - Step 5: Solve for x
x = 328,644,687,673,600/8,242,102 - Step 6: Final answer
x = 39,873,892.32
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.