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Finding the Third Proportional to 29,112.75 and 36,139.50

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Solution

The third proportional to 29,112.75 and 36,139.50 is: 44,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,112.75 : 36,139.50 = 36,139.50 : x
  2. Step 2: Convert to fraction form
    29,112.75/36,139.50 = 36,139.50/x
  3. Step 3: Cross multiply
    29,112.75x = 36,139.50 × 36,139.50
  4. Step 4: Simplify right side
    29,112.75x = 1,306,063,460.25
  5. Step 5: Solve for x
    x = 1,306,063,460.25/29,112.75
  6. Step 6: Final answer
    x = 44,862.25

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Why These Related Problems?

These problems maintain the same ratio (1.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.