Finding the Third Proportional to 128,959,181.16 and 272,474,062.31
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Solution
The third proportional to 128,959,181.16 and 272,474,062.31 is: 575,702,435.20
Step by Step Solution
- Step 1: Write the proportion equation
128,959,181.16 : 272,474,062.31 = 272,474,062.31 : x - Step 2: Convert to fraction form
128,959,181.16/272,474,062.31 = 272,474,062.31/x - Step 3: Cross multiply
128,959,181.16x = 272,474,062.31 × 272,474,062.31 - Step 4: Simplify right side
128,959,181.16x = 74,242,114,633,076,128 - Step 5: Solve for x
x = 74,242,114,633,076,128/128,959,181.16 - Step 6: Final answer
x = 575,702,435.20
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Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.