Finding the Third Proportional to 319,312.13 and 479,013.75
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Solution
The third proportional to 319,312.13 and 479,013.75 is: 718,588.98
Step by Step Solution
- Step 1: Write the proportion equation
319,312.13 : 479,013.75 = 479,013.75 : x - Step 2: Convert to fraction form
319,312.13/479,013.75 = 479,013.75/x - Step 3: Cross multiply
319,312.13x = 479,013.75 × 479,013.75 - Step 4: Simplify right side
319,312.13x = 229,454,172,689.06 - Step 5: Solve for x
x = 229,454,172,689.06/319,312.13 - Step 6: Final answer
x = 718,588.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.