Finding the Third Proportional to 549,691 and 840,883.75
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Solution
The third proportional to 549,691 and 840,883.75 is: 1,286,332.65
Step by Step Solution
- Step 1: Write the proportion equation
549,691 : 840,883.75 = 840,883.75 : x - Step 2: Convert to fraction form
549,691/840,883.75 = 840,883.75/x - Step 3: Cross multiply
549,691x = 840,883.75 × 840,883.75 - Step 4: Simplify right side
549,691x = 707,085,481,014.06 - Step 5: Solve for x
x = 707,085,481,014.06/549,691 - Step 6: Final answer
x = 1,286,332.65
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.