Finding the Third Proportional to 489,780.84 and 756,507.09
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Solution
The third proportional to 489,780.84 and 756,507.09 is: 1,168,487.89
Step by Step Solution
- Step 1: Write the proportion equation
489,780.84 : 756,507.09 = 756,507.09 : x - Step 2: Convert to fraction form
489,780.84/756,507.09 = 756,507.09/x - Step 3: Cross multiply
489,780.84x = 756,507.09 × 756,507.09 - Step 4: Simplify right side
489,780.84x = 572,302,982,894.07 - Step 5: Solve for x
x = 572,302,982,894.07/489,780.84 - Step 6: Final answer
x = 1,168,487.89
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.