Finding the Third Proportional to 403,920 and 625,407.75
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Solution
The third proportional to 403,920 and 625,407.75 is: 968,347.33
Step by Step Solution
- Step 1: Write the proportion equation
403,920 : 625,407.75 = 625,407.75 : x - Step 2: Convert to fraction form
403,920/625,407.75 = 625,407.75/x - Step 3: Cross multiply
403,920x = 625,407.75 × 625,407.75 - Step 4: Simplify right side
403,920x = 391,134,853,760.06 - Step 5: Solve for x
x = 391,134,853,760.06/403,920 - Step 6: Final answer
x = 968,347.33
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.