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Finding the Third Proportional to 75,658 and 111,395

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Solution

The third proportional to 75,658 and 111,395 is: 164,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,658 : 111,395 = 111,395 : x
  2. Step 2: Convert to fraction form
    75,658/111,395 = 111,395/x
  3. Step 3: Cross multiply
    75,658x = 111,395 × 111,395
  4. Step 4: Simplify right side
    75,658x = 12,408,846,025
  5. Step 5: Solve for x
    x = 12,408,846,025/75,658
  6. Step 6: Final answer
    x = 164,012.35

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.