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Finding the Third Proportional to 28,556.81 and 61,880.44

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Solution

The third proportional to 28,556.81 and 61,880.44 is: 134,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,556.81 : 61,880.44 = 61,880.44 : x
  2. Step 2: Convert to fraction form
    28,556.81/61,880.44 = 61,880.44/x
  3. Step 3: Cross multiply
    28,556.81x = 61,880.44 × 61,880.44
  4. Step 4: Simplify right side
    28,556.81x = 3,829,188,545.19
  5. Step 5: Solve for x
    x = 3,829,188,545.19/28,556.81
  6. Step 6: Final answer
    x = 134,090.19

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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.