Finding the Third Proportional to 390,995.75 and 856,725.75
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Solution
The third proportional to 390,995.75 and 856,725.75 is: 1,877,204.58
Step by Step Solution
- Step 1: Write the proportion equation
390,995.75 : 856,725.75 = 856,725.75 : x - Step 2: Convert to fraction form
390,995.75/856,725.75 = 856,725.75/x - Step 3: Cross multiply
390,995.75x = 856,725.75 × 856,725.75 - Step 4: Simplify right side
390,995.75x = 733,979,010,713.06 - Step 5: Solve for x
x = 733,979,010,713.06/390,995.75 - Step 6: Final answer
x = 1,877,204.58
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.