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Finding the Third Proportional to 18,923.63 and 25,712.44

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Solution

The third proportional to 18,923.63 and 25,712.44 is: 34,936.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923.63 : 25,712.44 = 25,712.44 : x
  2. Step 2: Convert to fraction form
    18,923.63/25,712.44 = 25,712.44/x
  3. Step 3: Cross multiply
    18,923.63x = 25,712.44 × 25,712.44
  4. Step 4: Simplify right side
    18,923.63x = 661,129,442.19
  5. Step 5: Solve for x
    x = 661,129,442.19/18,923.63
  6. Step 6: Final answer
    x = 34,936.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.