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Finding the Third Proportional to 20,313.50 and 32,438

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Solution

The third proportional to 20,313.50 and 32,438 is: 51,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313.50 : 32,438 = 32,438 : x
  2. Step 2: Convert to fraction form
    20,313.50/32,438 = 32,438/x
  3. Step 3: Cross multiply
    20,313.50x = 32,438 × 32,438
  4. Step 4: Simplify right side
    20,313.50x = 1,052,223,844
  5. Step 5: Solve for x
    x = 1,052,223,844/20,313.50
  6. Step 6: Final answer
    x = 51,799.24

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.