Finding the Third Proportional to 136,438.31 and 291,579.75
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Solution
The third proportional to 136,438.31 and 291,579.75 is: 623,129.60
Step by Step Solution
- Step 1: Write the proportion equation
136,438.31 : 291,579.75 = 291,579.75 : x - Step 2: Convert to fraction form
136,438.31/291,579.75 = 291,579.75/x - Step 3: Cross multiply
136,438.31x = 291,579.75 × 291,579.75 - Step 4: Simplify right side
136,438.31x = 85,018,750,610.06 - Step 5: Solve for x
x = 85,018,750,610.06/136,438.31 - Step 6: Final answer
x = 623,129.60
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.