Finding the Third Proportional to 342,949.50 and 489,201.75
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Solution
The third proportional to 342,949.50 and 489,201.75 is: 697,823.88
Step by Step Solution
- Step 1: Write the proportion equation
342,949.50 : 489,201.75 = 489,201.75 : x - Step 2: Convert to fraction form
342,949.50/489,201.75 = 489,201.75/x - Step 3: Cross multiply
342,949.50x = 489,201.75 × 489,201.75 - Step 4: Simplify right side
342,949.50x = 239,318,352,203.06 - Step 5: Solve for x
x = 239,318,352,203.06/342,949.50 - Step 6: Final answer
x = 697,823.88
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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.