Finding the Third Proportional to 642,579.75 and 1,411,251.75
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Solution
The third proportional to 642,579.75 and 1,411,251.75 is: 3,099,430.85
Step by Step Solution
- Step 1: Write the proportion equation
642,579.75 : 1,411,251.75 = 1,411,251.75 : x - Step 2: Convert to fraction form
642,579.75/1,411,251.75 = 1,411,251.75/x - Step 3: Cross multiply
642,579.75x = 1,411,251.75 × 1,411,251.75 - Step 4: Simplify right side
642,579.75x = 1,991,631,501,878.06 - Step 5: Solve for x
x = 1,991,631,501,878.06/642,579.75 - Step 6: Final answer
x = 3,099,430.85
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.