Finding the Third Proportional to 316,811.25 and 486,303.75
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Solution
The third proportional to 316,811.25 and 486,303.75 is: 746,473.92
Step by Step Solution
- Step 1: Write the proportion equation
316,811.25 : 486,303.75 = 486,303.75 : x - Step 2: Convert to fraction form
316,811.25/486,303.75 = 486,303.75/x - Step 3: Cross multiply
316,811.25x = 486,303.75 × 486,303.75 - Step 4: Simplify right side
316,811.25x = 236,491,337,264.06 - Step 5: Solve for x
x = 236,491,337,264.06/316,811.25 - Step 6: Final answer
x = 746,473.92
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.