Finding the Third Proportional to 319,820.27 and 689,463.14
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Solution
The third proportional to 319,820.27 and 689,463.14 is: 1,486,332.99
Step by Step Solution
- Step 1: Write the proportion equation
319,820.27 : 689,463.14 = 689,463.14 : x - Step 2: Convert to fraction form
319,820.27/689,463.14 = 689,463.14/x - Step 3: Cross multiply
319,820.27x = 689,463.14 × 689,463.14 - Step 4: Simplify right side
319,820.27x = 475,359,422,280.49 - Step 5: Solve for x
x = 475,359,422,280.49/319,820.27 - Step 6: Final answer
x = 1,486,332.99
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.