Finding the Third Proportional to 628,681 and 1,286,413.50
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Solution
The third proportional to 628,681 and 1,286,413.50 is: 2,632,272.48
Step by Step Solution
- Step 1: Write the proportion equation
628,681 : 1,286,413.50 = 1,286,413.50 : x - Step 2: Convert to fraction form
628,681/1,286,413.50 = 1,286,413.50/x - Step 3: Cross multiply
628,681x = 1,286,413.50 × 1,286,413.50 - Step 4: Simplify right side
628,681x = 1,654,859,692,982.25 - Step 5: Solve for x
x = 1,654,859,692,982.25/628,681 - Step 6: Final answer
x = 2,632,272.48
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.