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Finding the Third Proportional to 29,021.50 and 61,838

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Solution

The third proportional to 29,021.50 and 61,838 is: 131,762.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,021.50 : 61,838 = 61,838 : x
  2. Step 2: Convert to fraction form
    29,021.50/61,838 = 61,838/x
  3. Step 3: Cross multiply
    29,021.50x = 61,838 × 61,838
  4. Step 4: Simplify right side
    29,021.50x = 3,823,938,244
  5. Step 5: Solve for x
    x = 3,823,938,244/29,021.50
  6. Step 6: Final answer
    x = 131,762.25

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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.