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Finding the Third Proportional to 20,106.75 and 29,575.50

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Solution

The third proportional to 20,106.75 and 29,575.50 is: 43,503.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,106.75 : 29,575.50 = 29,575.50 : x
  2. Step 2: Convert to fraction form
    20,106.75/29,575.50 = 29,575.50/x
  3. Step 3: Cross multiply
    20,106.75x = 29,575.50 × 29,575.50
  4. Step 4: Simplify right side
    20,106.75x = 874,710,200.25
  5. Step 5: Solve for x
    x = 874,710,200.25/20,106.75
  6. Step 6: Final answer
    x = 43,503.31

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.