Finding the Third Proportional to 74,344,738 and 161,043,272
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Solution
The third proportional to 74,344,738 and 161,043,272 is: 348,846,954.80
Step by Step Solution
- Step 1: Write the proportion equation
74,344,738 : 161,043,272 = 161,043,272 : x - Step 2: Convert to fraction form
74,344,738/161,043,272 = 161,043,272/x - Step 3: Cross multiply
74,344,738x = 161,043,272 × 161,043,272 - Step 4: Simplify right side
74,344,738x = 25,934,935,456,465,984 - Step 5: Solve for x
x = 25,934,935,456,465,984/74,344,738 - Step 6: Final answer
x = 348,846,954.80
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.