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Finding the Third Proportional to 28,155 and 60,675

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Solution

The third proportional to 28,155 and 60,675 is: 130,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,155 : 60,675 = 60,675 : x
  2. Step 2: Convert to fraction form
    28,155/60,675 = 60,675/x
  3. Step 3: Cross multiply
    28,155x = 60,675 × 60,675
  4. Step 4: Simplify right side
    28,155x = 3,681,455,625
  5. Step 5: Solve for x
    x = 3,681,455,625/28,155
  6. Step 6: Final answer
    x = 130,756.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.