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Finding the Third Proportional to 29,860.50 and 64,383

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Solution

The third proportional to 29,860.50 and 64,383 is: 138,817.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,860.50 : 64,383 = 64,383 : x
  2. Step 2: Convert to fraction form
    29,860.50/64,383 = 64,383/x
  3. Step 3: Cross multiply
    29,860.50x = 64,383 × 64,383
  4. Step 4: Simplify right side
    29,860.50x = 4,145,170,689
  5. Step 5: Solve for x
    x = 4,145,170,689/29,860.50
  6. Step 6: Final answer
    x = 138,817.86

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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.