Finding the Third Proportional to 317,719.13 and 698,407.31
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Solution
The third proportional to 317,719.13 and 698,407.31 is: 1,535,232.65
Step by Step Solution
- Step 1: Write the proportion equation
317,719.13 : 698,407.31 = 698,407.31 : x - Step 2: Convert to fraction form
317,719.13/698,407.31 = 698,407.31/x - Step 3: Cross multiply
317,719.13x = 698,407.31 × 698,407.31 - Step 4: Simplify right side
317,719.13x = 487,772,774,153.47 - Step 5: Solve for x
x = 487,772,774,153.47/317,719.13 - Step 6: Final answer
x = 1,535,232.65
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.