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Finding the Third Proportional to 28,487.63 and 61,355.63

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Solution

The third proportional to 28,487.63 and 61,355.63 is: 132,145.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,487.63 : 61,355.63 = 61,355.63 : x
  2. Step 2: Convert to fraction form
    28,487.63/61,355.63 = 61,355.63/x
  3. Step 3: Cross multiply
    28,487.63x = 61,355.63 × 61,355.63
  4. Step 4: Simplify right side
    28,487.63x = 3,764,512,719.14
  5. Step 5: Solve for x
    x = 3,764,512,719.14/28,487.63
  6. Step 6: Final answer
    x = 132,145.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.