Finding the Third Proportional to 315,537.75 and 679,189.50
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Solution
The third proportional to 315,537.75 and 679,189.50 is: 1,461,943.55
Step by Step Solution
- Step 1: Write the proportion equation
315,537.75 : 679,189.50 = 679,189.50 : x - Step 2: Convert to fraction form
315,537.75/679,189.50 = 679,189.50/x - Step 3: Cross multiply
315,537.75x = 679,189.50 × 679,189.50 - Step 4: Simplify right side
315,537.75x = 461,298,376,910.25 - Step 5: Solve for x
x = 461,298,376,910.25/315,537.75 - Step 6: Final answer
x = 1,461,943.55
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.