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Finding the Third Proportional to 15,268.50 and 31,995

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Solution

The third proportional to 15,268.50 and 31,995 is: 67,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268.50 : 31,995 = 31,995 : x
  2. Step 2: Convert to fraction form
    15,268.50/31,995 = 31,995/x
  3. Step 3: Cross multiply
    15,268.50x = 31,995 × 31,995
  4. Step 4: Simplify right side
    15,268.50x = 1,023,680,025
  5. Step 5: Solve for x
    x = 1,023,680,025/15,268.50
  6. Step 6: Final answer
    x = 67,045.23

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.