Finding the Third Proportional to 515,261.25 and 778,531.50
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Solution
The third proportional to 515,261.25 and 778,531.50 is: 1,176,318.41
Step by Step Solution
- Step 1: Write the proportion equation
515,261.25 : 778,531.50 = 778,531.50 : x - Step 2: Convert to fraction form
515,261.25/778,531.50 = 778,531.50/x - Step 3: Cross multiply
515,261.25x = 778,531.50 × 778,531.50 - Step 4: Simplify right side
515,261.25x = 606,111,296,492.25 - Step 5: Solve for x
x = 606,111,296,492.25/515,261.25 - Step 6: Final answer
x = 1,176,318.41
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.