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Finding the Third Proportional to 16,920 and 26,322.75

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Solution

The third proportional to 16,920 and 26,322.75 is: 40,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920 : 26,322.75 = 26,322.75 : x
  2. Step 2: Convert to fraction form
    16,920/26,322.75 = 26,322.75/x
  3. Step 3: Cross multiply
    16,920x = 26,322.75 × 26,322.75
  4. Step 4: Simplify right side
    16,920x = 692,887,167.56
  5. Step 5: Solve for x
    x = 692,887,167.56/16,920
  6. Step 6: Final answer
    x = 40,950.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.