Finding the Third Proportional to 357,439.50 and 557,259.75
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Solution
The third proportional to 357,439.50 and 557,259.75 is: 868,785.99
Step by Step Solution
- Step 1: Write the proportion equation
357,439.50 : 557,259.75 = 557,259.75 : x - Step 2: Convert to fraction form
357,439.50/557,259.75 = 557,259.75/x - Step 3: Cross multiply
357,439.50x = 557,259.75 × 557,259.75 - Step 4: Simplify right side
357,439.50x = 310,538,428,970.06 - Step 5: Solve for x
x = 310,538,428,970.06/357,439.50 - Step 6: Final answer
x = 868,785.99
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.