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Finding the Third Proportional to 28,856.25 and 43,367.91

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Solution

The third proportional to 28,856.25 and 43,367.91 is: 65,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.25 : 43,367.91 = 43,367.91 : x
  2. Step 2: Convert to fraction form
    28,856.25/43,367.91 = 43,367.91/x
  3. Step 3: Cross multiply
    28,856.25x = 43,367.91 × 43,367.91
  4. Step 4: Simplify right side
    28,856.25x = 1,880,775,292.51
  5. Step 5: Solve for x
    x = 1,880,775,292.51/28,856.25
  6. Step 6: Final answer
    x = 65,177.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.