Finding the Third Proportional to 621,627.75 and 928,605.09
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Solution
The third proportional to 621,627.75 and 928,605.09 is: 1,387,176.52
Step by Step Solution
- Step 1: Write the proportion equation
621,627.75 : 928,605.09 = 928,605.09 : x - Step 2: Convert to fraction form
621,627.75/928,605.09 = 928,605.09/x - Step 3: Cross multiply
621,627.75x = 928,605.09 × 928,605.09 - Step 4: Simplify right side
621,627.75x = 862,307,420,138.45 - Step 5: Solve for x
x = 862,307,420,138.45/621,627.75 - Step 6: Final answer
x = 1,387,176.52
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.