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Finding the Third Proportional to 28,449 and 66,484.50

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Solution

The third proportional to 28,449 and 66,484.50 is: 155,372.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449 : 66,484.50 = 66,484.50 : x
  2. Step 2: Convert to fraction form
    28,449/66,484.50 = 66,484.50/x
  3. Step 3: Cross multiply
    28,449x = 66,484.50 × 66,484.50
  4. Step 4: Simplify right side
    28,449x = 4,420,188,740.25
  5. Step 5: Solve for x
    x = 4,420,188,740.25/28,449
  6. Step 6: Final answer
    x = 155,372.38

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.