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Finding the Third Proportional to 27,625.50 and 38,430

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Solution

The third proportional to 27,625.50 and 38,430 is: 53,460.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,625.50 : 38,430 = 38,430 : x
  2. Step 2: Convert to fraction form
    27,625.50/38,430 = 38,430/x
  3. Step 3: Cross multiply
    27,625.50x = 38,430 × 38,430
  4. Step 4: Simplify right side
    27,625.50x = 1,476,864,900
  5. Step 5: Solve for x
    x = 1,476,864,900/27,625.50
  6. Step 6: Final answer
    x = 53,460.21

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.