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Finding the Third Proportional to 18,221.63 and 26,634.38

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Solution

The third proportional to 18,221.63 and 26,634.38 is: 38,931.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.63 : 26,634.38 = 26,634.38 : x
  2. Step 2: Convert to fraction form
    18,221.63/26,634.38 = 26,634.38/x
  3. Step 3: Cross multiply
    18,221.63x = 26,634.38 × 26,634.38
  4. Step 4: Simplify right side
    18,221.63x = 709,389,931.64
  5. Step 5: Solve for x
    x = 709,389,931.64/18,221.63
  6. Step 6: Final answer
    x = 38,931.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.