Finding the Third Proportional to 121,647,420.88 and 251,917,636.38
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Solution
The third proportional to 121,647,420.88 and 251,917,636.38 is: 521,692,075.84
Step by Step Solution
- Step 1: Write the proportion equation
121,647,420.88 : 251,917,636.38 = 251,917,636.38 : x - Step 2: Convert to fraction form
121,647,420.88/251,917,636.38 = 251,917,636.38/x - Step 3: Cross multiply
121,647,420.88x = 251,917,636.38 × 251,917,636.38 - Step 4: Simplify right side
121,647,420.88x = 63,462,495,516,766,720 - Step 5: Solve for x
x = 63,462,495,516,766,720/121,647,420.88 - Step 6: Final answer
x = 521,692,075.84
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Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.