Finding the Third Proportional to 353,139.75 and 513,303.75
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Solution
The third proportional to 353,139.75 and 513,303.75 is: 746,108.98
Step by Step Solution
- Step 1: Write the proportion equation
353,139.75 : 513,303.75 = 513,303.75 : x - Step 2: Convert to fraction form
353,139.75/513,303.75 = 513,303.75/x - Step 3: Cross multiply
353,139.75x = 513,303.75 × 513,303.75 - Step 4: Simplify right side
353,139.75x = 263,480,739,764.06 - Step 5: Solve for x
x = 263,480,739,764.06/353,139.75 - Step 6: Final answer
x = 746,108.98
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These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.