Finding the Third Proportional to 357,027.75 and 489,569.06
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Solution
The third proportional to 357,027.75 and 489,569.06 is: 671,314.39
Step by Step Solution
- Step 1: Write the proportion equation
357,027.75 : 489,569.06 = 489,569.06 : x - Step 2: Convert to fraction form
357,027.75/489,569.06 = 489,569.06/x - Step 3: Cross multiply
357,027.75x = 489,569.06 × 489,569.06 - Step 4: Simplify right side
357,027.75x = 239,677,866,957.13 - Step 5: Solve for x
x = 239,677,866,957.13/357,027.75 - Step 6: Final answer
x = 671,314.39
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.