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Finding the Third Proportional to 28,527 and 62,886

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Solution

The third proportional to 28,527 and 62,886 is: 138,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527 : 62,886 = 62,886 : x
  2. Step 2: Convert to fraction form
    28,527/62,886 = 62,886/x
  3. Step 3: Cross multiply
    28,527x = 62,886 × 62,886
  4. Step 4: Simplify right side
    28,527x = 3,954,648,996
  5. Step 5: Solve for x
    x = 3,954,648,996/28,527
  6. Step 6: Final answer
    x = 138,628.28

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.