Finding the Third Proportional to 19,872,786 and 40,476,388
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Solution
The third proportional to 19,872,786 and 40,476,388 is: 82,441,283.55
Step by Step Solution
- Step 1: Write the proportion equation
19,872,786 : 40,476,388 = 40,476,388 : x - Step 2: Convert to fraction form
19,872,786/40,476,388 = 40,476,388/x - Step 3: Cross multiply
19,872,786x = 40,476,388 × 40,476,388 - Step 4: Simplify right side
19,872,786x = 1,638,337,985,526,544 - Step 5: Solve for x
x = 1,638,337,985,526,544/19,872,786 - Step 6: Final answer
x = 82,441,283.55
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These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.