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Finding the Third Proportional to 20,583 and 29,578.50

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Solution

The third proportional to 20,583 and 29,578.50 is: 42,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583 : 29,578.50 = 29,578.50 : x
  2. Step 2: Convert to fraction form
    20,583/29,578.50 = 29,578.50/x
  3. Step 3: Cross multiply
    20,583x = 29,578.50 × 29,578.50
  4. Step 4: Simplify right side
    20,583x = 874,887,662.25
  5. Step 5: Solve for x
    x = 874,887,662.25/20,583
  6. Step 6: Final answer
    x = 42,505.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.