Finding the Third Proportional to 502,742.75 and 645,508.75
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Solution
The third proportional to 502,742.75 and 645,508.75 is: 828,816.62
Step by Step Solution
- Step 1: Write the proportion equation
502,742.75 : 645,508.75 = 645,508.75 : x - Step 2: Convert to fraction form
502,742.75/645,508.75 = 645,508.75/x - Step 3: Cross multiply
502,742.75x = 645,508.75 × 645,508.75 - Step 4: Simplify right side
502,742.75x = 416,681,546,326.56 - Step 5: Solve for x
x = 416,681,546,326.56/502,742.75 - Step 6: Final answer
x = 828,816.62
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These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.