Finding the Third Proportional to 512,536.50 and 781,440.75
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Solution
The third proportional to 512,536.50 and 781,440.75 is: 1,191,426.65
Step by Step Solution
- Step 1: Write the proportion equation
512,536.50 : 781,440.75 = 781,440.75 : x - Step 2: Convert to fraction form
512,536.50/781,440.75 = 781,440.75/x - Step 3: Cross multiply
512,536.50x = 781,440.75 × 781,440.75 - Step 4: Simplify right side
512,536.50x = 610,649,645,760.56 - Step 5: Solve for x
x = 610,649,645,760.56/512,536.50 - Step 6: Final answer
x = 1,191,426.65
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.