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Finding the Third Proportional to 28,690.75 and 62,145.75

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Solution

The third proportional to 28,690.75 and 62,145.75 is: 134,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,690.75 : 62,145.75 = 62,145.75 : x
  2. Step 2: Convert to fraction form
    28,690.75/62,145.75 = 62,145.75/x
  3. Step 3: Cross multiply
    28,690.75x = 62,145.75 × 62,145.75
  4. Step 4: Simplify right side
    28,690.75x = 3,862,094,243.06
  5. Step 5: Solve for x
    x = 3,862,094,243.06/28,690.75
  6. Step 6: Final answer
    x = 134,611.13

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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.