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Finding the Third Proportional to 43,246.50 and 55,260

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Solution

The third proportional to 43,246.50 and 55,260 is: 70,610.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,246.50 : 55,260 = 55,260 : x
  2. Step 2: Convert to fraction form
    43,246.50/55,260 = 55,260/x
  3. Step 3: Cross multiply
    43,246.50x = 55,260 × 55,260
  4. Step 4: Simplify right side
    43,246.50x = 3,053,667,600
  5. Step 5: Solve for x
    x = 3,053,667,600/43,246.50
  6. Step 6: Final answer
    x = 70,610.75

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.