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Finding the Third Proportional to 28,575.28 and 61,919.44

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Solution

The third proportional to 28,575.28 and 61,919.44 is: 134,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575.28 : 61,919.44 = 61,919.44 : x
  2. Step 2: Convert to fraction form
    28,575.28/61,919.44 = 61,919.44/x
  3. Step 3: Cross multiply
    28,575.28x = 61,919.44 × 61,919.44
  4. Step 4: Simplify right side
    28,575.28x = 3,834,016,740.32
  5. Step 5: Solve for x
    x = 3,834,016,740.32/28,575.28
  6. Step 6: Final answer
    x = 134,172.49

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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.