Finding the Third Proportional to 310,989.38 and 653,315.63
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Solution
The third proportional to 310,989.38 and 653,315.63 is: 1,372,462.66
Step by Step Solution
- Step 1: Write the proportion equation
310,989.38 : 653,315.63 = 653,315.63 : x - Step 2: Convert to fraction form
310,989.38/653,315.63 = 653,315.63/x - Step 3: Cross multiply
310,989.38x = 653,315.63 × 653,315.63 - Step 4: Simplify right side
310,989.38x = 426,821,305,869.14 - Step 5: Solve for x
x = 426,821,305,869.14/310,989.38 - Step 6: Final answer
x = 1,372,462.66
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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.