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Finding the Third Proportional to 20,523 and 29,308.50

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Solution

The third proportional to 20,523 and 29,308.50 is: 41,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,523 : 29,308.50 = 29,308.50 : x
  2. Step 2: Convert to fraction form
    20,523/29,308.50 = 29,308.50/x
  3. Step 3: Cross multiply
    20,523x = 29,308.50 × 29,308.50
  4. Step 4: Simplify right side
    20,523x = 858,988,172.25
  5. Step 5: Solve for x
    x = 858,988,172.25/20,523
  6. Step 6: Final answer
    x = 41,854.90

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.