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Finding the Third Proportional to 103,675 and 155,478

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Solution

The third proportional to 103,675 and 155,478 is: 233,165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,675 : 155,478 = 155,478 : x
  2. Step 2: Convert to fraction form
    103,675/155,478 = 155,478/x
  3. Step 3: Cross multiply
    103,675x = 155,478 × 155,478
  4. Step 4: Simplify right side
    103,675x = 24,173,408,484
  5. Step 5: Solve for x
    x = 24,173,408,484/103,675
  6. Step 6: Final answer
    x = 233,165.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.