Finding the Third Proportional to 323,281.13 and 489,409.59
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Solution
The third proportional to 323,281.13 and 489,409.59 is: 740,908.55
Step by Step Solution
- Step 1: Write the proportion equation
323,281.13 : 489,409.59 = 489,409.59 : x - Step 2: Convert to fraction form
323,281.13/489,409.59 = 489,409.59/x - Step 3: Cross multiply
323,281.13x = 489,409.59 × 489,409.59 - Step 4: Simplify right side
323,281.13x = 239,521,750,454.54 - Step 5: Solve for x
x = 239,521,750,454.54/323,281.13 - Step 6: Final answer
x = 740,908.55
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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.