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Finding the Third Proportional to 12,989.44 and 28,253.44

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Solution

The third proportional to 12,989.44 and 28,253.44 is: 61,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,989.44 : 28,253.44 = 28,253.44 : x
  2. Step 2: Convert to fraction form
    12,989.44/28,253.44 = 28,253.44/x
  3. Step 3: Cross multiply
    12,989.44x = 28,253.44 × 28,253.44
  4. Step 4: Simplify right side
    12,989.44x = 798,256,730.57
  5. Step 5: Solve for x
    x = 798,256,730.57/12,989.44
  6. Step 6: Final answer
    x = 61,454.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.