Finding the Third Proportional to 42,647,370 and 92,103,438
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Solution
The third proportional to 42,647,370 and 92,103,438 is: 198,911,287.88
Step by Step Solution
- Step 1: Write the proportion equation
42,647,370 : 92,103,438 = 92,103,438 : x - Step 2: Convert to fraction form
42,647,370/92,103,438 = 92,103,438/x - Step 3: Cross multiply
42,647,370x = 92,103,438 × 92,103,438 - Step 4: Simplify right side
42,647,370x = 8,483,043,291,419,844 - Step 5: Solve for x
x = 8,483,043,291,419,844/42,647,370 - Step 6: Final answer
x = 198,911,287.88
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.