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Finding the Third Proportional to 28,372 and 60,475

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Solution

The third proportional to 28,372 and 60,475 is: 128,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,372 : 60,475 = 60,475 : x
  2. Step 2: Convert to fraction form
    28,372/60,475 = 60,475/x
  3. Step 3: Cross multiply
    28,372x = 60,475 × 60,475
  4. Step 4: Simplify right side
    28,372x = 3,657,225,625
  5. Step 5: Solve for x
    x = 3,657,225,625/28,372
  6. Step 6: Final answer
    x = 128,902.64

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.