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Finding the Third Proportional to 28,710 and 38,505

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Solution

The third proportional to 28,710 and 38,505 is: 51,641.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,710 : 38,505 = 38,505 : x
  2. Step 2: Convert to fraction form
    28,710/38,505 = 38,505/x
  3. Step 3: Cross multiply
    28,710x = 38,505 × 38,505
  4. Step 4: Simplify right side
    28,710x = 1,482,635,025
  5. Step 5: Solve for x
    x = 1,482,635,025/28,710
  6. Step 6: Final answer
    x = 51,641.76

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.