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Finding the Third Proportional to 28,928 and 62,848

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Solution

The third proportional to 28,928 and 62,848 is: 136,541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928 : 62,848 = 62,848 : x
  2. Step 2: Convert to fraction form
    28,928/62,848 = 62,848/x
  3. Step 3: Cross multiply
    28,928x = 62,848 × 62,848
  4. Step 4: Simplify right side
    28,928x = 3,949,871,104
  5. Step 5: Solve for x
    x = 3,949,871,104/28,928
  6. Step 6: Final answer
    x = 136,541.45

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.