Finding the Third Proportional to 354,237.75 and 411,819.75
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Solution
The third proportional to 354,237.75 and 411,819.75 is: 478,761.81
Step by Step Solution
- Step 1: Write the proportion equation
354,237.75 : 411,819.75 = 411,819.75 : x - Step 2: Convert to fraction form
354,237.75/411,819.75 = 411,819.75/x - Step 3: Cross multiply
354,237.75x = 411,819.75 × 411,819.75 - Step 4: Simplify right side
354,237.75x = 169,595,506,490.06 - Step 5: Solve for x
x = 169,595,506,490.06/354,237.75 - Step 6: Final answer
x = 478,761.81
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These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.