Finding the Third Proportional to 449,119.13 and 678,345.75
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Solution
The third proportional to 449,119.13 and 678,345.75 is: 1,024,567.72
Step by Step Solution
- Step 1: Write the proportion equation
449,119.13 : 678,345.75 = 678,345.75 : x - Step 2: Convert to fraction form
449,119.13/678,345.75 = 678,345.75/x - Step 3: Cross multiply
449,119.13x = 678,345.75 × 678,345.75 - Step 4: Simplify right side
449,119.13x = 460,152,956,543.06 - Step 5: Solve for x
x = 460,152,956,543.06/449,119.13 - Step 6: Final answer
x = 1,024,567.72
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.