Finding the Third Proportional to 259,746.75 and 398,985.75
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Solution
The third proportional to 259,746.75 and 398,985.75 is: 612,864.76
Step by Step Solution
- Step 1: Write the proportion equation
259,746.75 : 398,985.75 = 398,985.75 : x - Step 2: Convert to fraction form
259,746.75/398,985.75 = 398,985.75/x - Step 3: Cross multiply
259,746.75x = 398,985.75 × 398,985.75 - Step 4: Simplify right side
259,746.75x = 159,189,628,703.06 - Step 5: Solve for x
x = 159,189,628,703.06/259,746.75 - Step 6: Final answer
x = 612,864.76
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.