Finding the Third Proportional to 319,145.06 and 691,479.28
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Solution
The third proportional to 319,145.06 and 691,479.28 is: 1,498,201.45
Step by Step Solution
- Step 1: Write the proportion equation
319,145.06 : 691,479.28 = 691,479.28 : x - Step 2: Convert to fraction form
319,145.06/691,479.28 = 691,479.28/x - Step 3: Cross multiply
319,145.06x = 691,479.28 × 691,479.28 - Step 4: Simplify right side
319,145.06x = 478,143,596,398.02 - Step 5: Solve for x
x = 478,143,596,398.02/319,145.06 - Step 6: Final answer
x = 1,498,201.45
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.