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Finding the Third Proportional to 12,507 and 27,399

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Solution

The third proportional to 12,507 and 27,399 is: 60,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507 : 27,399 = 27,399 : x
  2. Step 2: Convert to fraction form
    12,507/27,399 = 27,399/x
  3. Step 3: Cross multiply
    12,507x = 27,399 × 27,399
  4. Step 4: Simplify right side
    12,507x = 750,705,201
  5. Step 5: Solve for x
    x = 750,705,201/12,507
  6. Step 6: Final answer
    x = 60,022.80

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.