Finding the Third Proportional to 515,945.75 and 781,721.75
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Solution
The third proportional to 515,945.75 and 781,721.75 is: 1,184,405.33
Step by Step Solution
- Step 1: Write the proportion equation
515,945.75 : 781,721.75 = 781,721.75 : x - Step 2: Convert to fraction form
515,945.75/781,721.75 = 781,721.75/x - Step 3: Cross multiply
515,945.75x = 781,721.75 × 781,721.75 - Step 4: Simplify right side
515,945.75x = 611,088,894,423.06 - Step 5: Solve for x
x = 611,088,894,423.06/515,945.75 - Step 6: Final answer
x = 1,184,405.33
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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.