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Finding the Third Proportional to 12,998.75 and 26,613.63

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Solution

The third proportional to 12,998.75 and 26,613.63 is: 54,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998.75 : 26,613.63 = 26,613.63 : x
  2. Step 2: Convert to fraction form
    12,998.75/26,613.63 = 26,613.63/x
  3. Step 3: Cross multiply
    12,998.75x = 26,613.63 × 26,613.63
  4. Step 4: Simplify right side
    12,998.75x = 708,285,035.64
  5. Step 5: Solve for x
    x = 708,285,035.64/12,998.75
  6. Step 6: Final answer
    x = 54,488.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.