Finding the Third Proportional to 134,779.50 and 289,239.75
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Solution
The third proportional to 134,779.50 and 289,239.75 is: 620,714.82
Step by Step Solution
- Step 1: Write the proportion equation
134,779.50 : 289,239.75 = 289,239.75 : x - Step 2: Convert to fraction form
134,779.50/289,239.75 = 289,239.75/x - Step 3: Cross multiply
134,779.50x = 289,239.75 × 289,239.75 - Step 4: Simplify right side
134,779.50x = 83,659,632,980.06 - Step 5: Solve for x
x = 83,659,632,980.06/134,779.50 - Step 6: Final answer
x = 620,714.82
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.