Finding the Third Proportional to 19,128,579 and 40,986,099
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Solution
The third proportional to 19,128,579 and 40,986,099 is: 87,819,398.99
Step by Step Solution
- Step 1: Write the proportion equation
19,128,579 : 40,986,099 = 40,986,099 : x - Step 2: Convert to fraction form
19,128,579/40,986,099 = 40,986,099/x - Step 3: Cross multiply
19,128,579x = 40,986,099 × 40,986,099 - Step 4: Simplify right side
19,128,579x = 1,679,860,311,237,801 - Step 5: Solve for x
x = 1,679,860,311,237,801/19,128,579 - Step 6: Final answer
x = 87,819,398.99
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.