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Finding the Third Proportional to 20,509.88 and 32,130

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Solution

The third proportional to 20,509.88 and 32,130 is: 50,333.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,509.88 : 32,130 = 32,130 : x
  2. Step 2: Convert to fraction form
    20,509.88/32,130 = 32,130/x
  3. Step 3: Cross multiply
    20,509.88x = 32,130 × 32,130
  4. Step 4: Simplify right side
    20,509.88x = 1,032,336,900
  5. Step 5: Solve for x
    x = 1,032,336,900/20,509.88
  6. Step 6: Final answer
    x = 50,333.65

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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.