Finding the Third Proportional to 257,139.75 and 553,641.75
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Solution
The third proportional to 257,139.75 and 553,641.75 is: 1,192,033.47
Step by Step Solution
- Step 1: Write the proportion equation
257,139.75 : 553,641.75 = 553,641.75 : x - Step 2: Convert to fraction form
257,139.75/553,641.75 = 553,641.75/x - Step 3: Cross multiply
257,139.75x = 553,641.75 × 553,641.75 - Step 4: Simplify right side
257,139.75x = 306,519,187,343.06 - Step 5: Solve for x
x = 306,519,187,343.06/257,139.75 - Step 6: Final answer
x = 1,192,033.47
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.