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Finding the Third Proportional to 39,272 and 56,088

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Solution

The third proportional to 39,272 and 56,088 is: 80,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,272 : 56,088 = 56,088 : x
  2. Step 2: Convert to fraction form
    39,272/56,088 = 56,088/x
  3. Step 3: Cross multiply
    39,272x = 56,088 × 56,088
  4. Step 4: Simplify right side
    39,272x = 3,145,863,744
  5. Step 5: Solve for x
    x = 3,145,863,744/39,272
  6. Step 6: Final answer
    x = 80,104.50

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.