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Finding the Third Proportional to 16,407 and 25,249.50

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Solution

The third proportional to 16,407 and 25,249.50 is: 38,857.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,407 : 25,249.50 = 25,249.50 : x
  2. Step 2: Convert to fraction form
    16,407/25,249.50 = 25,249.50/x
  3. Step 3: Cross multiply
    16,407x = 25,249.50 × 25,249.50
  4. Step 4: Simplify right side
    16,407x = 637,537,250.25
  5. Step 5: Solve for x
    x = 637,537,250.25/16,407
  6. Step 6: Final answer
    x = 38,857.64

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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.