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Finding the Third Proportional to 16,643.50 and 36,225.75

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Solution

The third proportional to 16,643.50 and 36,225.75 is: 78,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643.50 : 36,225.75 = 36,225.75 : x
  2. Step 2: Convert to fraction form
    16,643.50/36,225.75 = 36,225.75/x
  3. Step 3: Cross multiply
    16,643.50x = 36,225.75 × 36,225.75
  4. Step 4: Simplify right side
    16,643.50x = 1,312,304,963.06
  5. Step 5: Solve for x
    x = 1,312,304,963.06/16,643.50
  6. Step 6: Final answer
    x = 78,847.90

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1.5x scale

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.