Finding the Third Proportional to 257,578.75 and 559,491.75
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Solution
The third proportional to 257,578.75 and 559,491.75 is: 1,215,282.78
Step by Step Solution
- Step 1: Write the proportion equation
257,578.75 : 559,491.75 = 559,491.75 : x - Step 2: Convert to fraction form
257,578.75/559,491.75 = 559,491.75/x - Step 3: Cross multiply
257,578.75x = 559,491.75 × 559,491.75 - Step 4: Simplify right side
257,578.75x = 313,031,018,318.06 - Step 5: Solve for x
x = 313,031,018,318.06/257,578.75 - Step 6: Final answer
x = 1,215,282.78
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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.