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Finding the Third Proportional to 28,362.66 and 61,919.44

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Solution

The third proportional to 28,362.66 and 61,919.44 is: 135,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362.66 : 61,919.44 = 61,919.44 : x
  2. Step 2: Convert to fraction form
    28,362.66/61,919.44 = 61,919.44/x
  3. Step 3: Cross multiply
    28,362.66x = 61,919.44 × 61,919.44
  4. Step 4: Simplify right side
    28,362.66x = 3,834,016,740.32
  5. Step 5: Solve for x
    x = 3,834,016,740.32/28,362.66
  6. Step 6: Final answer
    x = 135,178.34

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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.