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Finding the Third Proportional to 20,653.50 and 24,325.50

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Solution

The third proportional to 20,653.50 and 24,325.50 is: 28,650.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,653.50 : 24,325.50 = 24,325.50 : x
  2. Step 2: Convert to fraction form
    20,653.50/24,325.50 = 24,325.50/x
  3. Step 3: Cross multiply
    20,653.50x = 24,325.50 × 24,325.50
  4. Step 4: Simplify right side
    20,653.50x = 591,729,950.25
  5. Step 5: Solve for x
    x = 591,729,950.25/20,653.50
  6. Step 6: Final answer
    x = 28,650.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.