Finding the Third Proportional to 1,369,678.50 and 2,129,121
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Solution
The third proportional to 1,369,678.50 and 2,129,121 is: 3,309,649.84
Step by Step Solution
- Step 1: Write the proportion equation
1,369,678.50 : 2,129,121 = 2,129,121 : x - Step 2: Convert to fraction form
1,369,678.50/2,129,121 = 2,129,121/x - Step 3: Cross multiply
1,369,678.50x = 2,129,121 × 2,129,121 - Step 4: Simplify right side
1,369,678.50x = 4,533,156,232,641 - Step 5: Solve for x
x = 4,533,156,232,641/1,369,678.50 - Step 6: Final answer
x = 3,309,649.84
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.