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Finding the Third Proportional to 20,499.75 and 26,740.13

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Solution

The third proportional to 20,499.75 and 26,740.13 is: 34,880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,499.75 : 26,740.13 = 26,740.13 : x
  2. Step 2: Convert to fraction form
    20,499.75/26,740.13 = 26,740.13/x
  3. Step 3: Cross multiply
    20,499.75x = 26,740.13 × 26,740.13
  4. Step 4: Simplify right side
    20,499.75x = 715,034,285.02
  5. Step 5: Solve for x
    x = 715,034,285.02/20,499.75
  6. Step 6: Final answer
    x = 34,880.15

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.