Finding the Third Proportional to 7,721,410.50 and 16,787,421
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Solution
The third proportional to 7,721,410.50 and 16,787,421 is: 36,498,189.53
Step by Step Solution
- Step 1: Write the proportion equation
7,721,410.50 : 16,787,421 = 16,787,421 : x - Step 2: Convert to fraction form
7,721,410.50/16,787,421 = 16,787,421/x - Step 3: Cross multiply
7,721,410.50x = 16,787,421 × 16,787,421 - Step 4: Simplify right side
7,721,410.50x = 281,817,503,831,241 - Step 5: Solve for x
x = 281,817,503,831,241/7,721,410.50 - Step 6: Final answer
x = 36,498,189.53
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.