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Finding the Third Proportional to 57,615 and 77,494.50

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Solution

The third proportional to 57,615 and 77,494.50 is: 104,233.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,615 : 77,494.50 = 77,494.50 : x
  2. Step 2: Convert to fraction form
    57,615/77,494.50 = 77,494.50/x
  3. Step 3: Cross multiply
    57,615x = 77,494.50 × 77,494.50
  4. Step 4: Simplify right side
    57,615x = 6,005,397,530.25
  5. Step 5: Solve for x
    x = 6,005,397,530.25/57,615
  6. Step 6: Final answer
    x = 104,233.23

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.