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Finding the Third Proportional to 28,882 and 62,987

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Solution

The third proportional to 28,882 and 62,987 is: 137,364.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882 : 62,987 = 62,987 : x
  2. Step 2: Convert to fraction form
    28,882/62,987 = 62,987/x
  3. Step 3: Cross multiply
    28,882x = 62,987 × 62,987
  4. Step 4: Simplify right side
    28,882x = 3,967,362,169
  5. Step 5: Solve for x
    x = 3,967,362,169/28,882
  6. Step 6: Final answer
    x = 137,364.52

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.