Finding the Third Proportional to 310,903.31 and 679,803.05
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Solution
The third proportional to 310,903.31 and 679,803.05 is: 1,486,417.69
Step by Step Solution
- Step 1: Write the proportion equation
310,903.31 : 679,803.05 = 679,803.05 : x - Step 2: Convert to fraction form
310,903.31/679,803.05 = 679,803.05/x - Step 3: Cross multiply
310,903.31x = 679,803.05 × 679,803.05 - Step 4: Simplify right side
310,903.31x = 462,132,182,540.53 - Step 5: Solve for x
x = 462,132,182,540.53/310,903.31 - Step 6: Final answer
x = 1,486,417.69
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.