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Finding the Third Proportional to 18,982.48 and 29,216.95

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Solution

The third proportional to 18,982.48 and 29,216.95 is: 44,969.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.48 : 29,216.95 = 29,216.95 : x
  2. Step 2: Convert to fraction form
    18,982.48/29,216.95 = 29,216.95/x
  3. Step 3: Cross multiply
    18,982.48x = 29,216.95 × 29,216.95
  4. Step 4: Simplify right side
    18,982.48x = 853,630,349.91
  5. Step 5: Solve for x
    x = 853,630,349.91/18,982.48
  6. Step 6: Final answer
    x = 44,969.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.