Finding the Third Proportional to 478,612.13 and 740,994.75
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Solution
The third proportional to 478,612.13 and 740,994.75 is: 1,147,219.62
Step by Step Solution
- Step 1: Write the proportion equation
478,612.13 : 740,994.75 = 740,994.75 : x - Step 2: Convert to fraction form
478,612.13/740,994.75 = 740,994.75/x - Step 3: Cross multiply
478,612.13x = 740,994.75 × 740,994.75 - Step 4: Simplify right side
478,612.13x = 549,073,219,527.56 - Step 5: Solve for x
x = 549,073,219,527.56/478,612.13 - Step 6: Final answer
x = 1,147,219.62
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.