Finding the Third Proportional to 7,439,392 and 15,771,572
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Solution
The third proportional to 7,439,392 and 15,771,572 is: 33,435,861.88
Step by Step Solution
- Step 1: Write the proportion equation
7,439,392 : 15,771,572 = 15,771,572 : x - Step 2: Convert to fraction form
7,439,392/15,771,572 = 15,771,572/x - Step 3: Cross multiply
7,439,392x = 15,771,572 × 15,771,572 - Step 4: Simplify right side
7,439,392x = 248,742,483,351,184 - Step 5: Solve for x
x = 248,742,483,351,184/7,439,392 - Step 6: Final answer
x = 33,435,861.88
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.